diff --git a/src/flaschengeist.d.ts b/src/flaschengeist.d.ts
index a69c5f1..3fe8aaa 100644
--- a/src/flaschengeist.d.ts
+++ b/src/flaschengeist.d.ts
@@ -61,11 +61,13 @@ declare namespace FG {
   }
   interface DrinkMinPrice {
     percentage: number;
+    //price: ComputedRef<number>;
     price: number;
   }
   interface DrinkPriceVolume {
     id: number;
     volume: number;
+    //computed_volume: ComputedRef<number>;
     min_prices: DrinkMinPrice[];
     prices: Array<DrinkPrice>;
     ingredients: Array<DrinkIngredient & ExtraIngredient>;
diff --git a/src/plugins/pricelist/components/CalculationTable.vue b/src/plugins/pricelist/components/CalculationTable.vue
index 99e196e..108c8ea 100644
--- a/src/plugins/pricelist/components/CalculationTable.vue
+++ b/src/plugins/pricelist/components/CalculationTable.vue
@@ -55,20 +55,32 @@
                   :icon="props.expand ? 'mdi-chevron-up' : 'mdi-chevron-down'"
                   v-if="volumes.row.cost_price_pro_volume == null"
                 />
+                <q-btn
+                  size="xs"
+                  color="negative"
+                  round
+                  dense
+                  icon="mdi-delete"
+                  class="q-mx-sm"
+                  v-if="props.row.ingredients.length === 0 && props.row.prices.length === 0"
+                  @click="deleteVolume(props.row, volumes.row)"
+                />
               </q-td>
               <q-td key="volume" :props="props">
-                {{ props.row.volume }}L
+                {{ parseFloat(props.row.volume.value).toFixed(3) }}L
+                <!--{{ props.row.volume }}-->
                 <q-popup-edit
                   buttons
                   label-cancel="Abbrechen"
                   label-set="Speichern"
-                  v-model="props.row.volume"
+                  v-model="props.row.volume.value"
+                  v-if="volumes.row.cost_price_pro_volume"
                   @save="updateVolume(props.row, volumes.row)"
                 >
                   <q-input
                     dense
                     filled
-                    v-model.number="props.row.volume"
+                    v-model.number="props.row.volume.value"
                     type="number"
                     suffix="L"
                   />
@@ -84,7 +96,8 @@
                     <q-badge color="primary">{{ min_price.percentage }}%</q-badge>
                   </div>
                   <div class="col" style="text-align: end">
-                    {{ parseFloat(min_price.price).toFixed(3) }}€
+                    <!--{{ parseFloat(min_price.price).toFixed(3) }}€-->
+                    {{ min_price.price.value.toFixed(3) }}€
                   </div>
                 </div>
               </q-td>
@@ -116,7 +129,6 @@
                       :options="drinks"
                       option-label="name"
                       v-model="ingredient.drink_ingredient"
-                      @input="calc_min_prices(props.row)"
                     />
                     <q-input
                       class="col q-px-sm"
@@ -125,7 +137,6 @@
                       filled
                       dense
                       v-model.number="ingredient.volume"
-                      @change="calc_min_prices(props.row)"
                       step="0.01"
                       min="0"
                     />
@@ -141,7 +152,6 @@
                     color="positive"
                     label="Zutat hinzufügen"
                     @click="addIngredient(props.row.ingredients, props.row.id)"
-                    @change="calc_min_prices(props.row)"
                   />
                 </div>
               </q-td>
@@ -180,9 +190,15 @@
 </template>
 
 <script lang="ts">
-import { defineComponent, onBeforeMount, ref, computed } from '@vue/composition-api';
-import store, { calc_min_prices } from '../store/altStore';
+import {
+  defineComponent,
+  onBeforeMount,
+  ref,
+  computed,
+  WritableComputedRef
+} from '@vue/composition-api';
 import { v4 } from 'uuid';
+import store, { create_volume, DrinkPriceVolume, Drink } from '../store/altStore';
 import PriceTable from 'src/plugins/pricelist/components/CalculationTable/PriceTable.vue';
 export default defineComponent({
   name: 'CalculationTable',
@@ -285,31 +301,37 @@ export default defineComponent({
       'description',
       'public'
     ]);
-    const emptyVolume = {
+    const emptyVolume: DrinkPriceVolume = {
       id: -1,
-      volume: 0,
+      _volume: 0,
+      volume: null,
       min_prices: [
-        { percentage: 100, price: 0 },
-        { percentage: 250, price: 0 },
-        { percentage: 300, price: 0 }
+        { percentage: 100, price: null },
+        { percentage: 250, price: null },
+        { percentage: 300, price: null }
       ],
       prices: [],
       ingredients: []
     };
-    const newVolume = ref(emptyVolume);
-    function addVolume(drink: FG.Drink) {
-      store.actions.setVolume(newVolume.value, drink);
+    const newVolume = ref<DrinkPriceVolume>(emptyVolume);
+    function addVolume(drink: Drink) {
+      store.actions.setVolume(<DrinkPriceVolume>newVolume.value, drink);
       cancelAddVolume();
     }
     function cancelAddVolume() {
       setTimeout(() => {
+        // eslint-disable-next-line @typescript-eslint/ban-ts-comment
+        // @ts-ignore
         newVolume.value = emptyVolume;
       }, 200);
     }
-    function updateVolume(volume: FG.DrinkPriceVolume, drink: FG.Drink) {
+    function updateVolume(volume: DrinkPriceVolume, drink: Drink) {
       console.log(volume);
       store.actions.updateVolume(volume, drink);
     }
+    function deleteVolume(volume: FG.DrinkPriceVolume, drink: FG.Drink) {
+      store.actions.deleteVolume(volume, drink);
+    }
 
     function addIngredient(ingredients: FG.Ingredient[]) {
       ingredients.push({ id: -1, volume_id: 0, drink_ingredient: null, extra_ingredient: null });
@@ -325,8 +347,8 @@ export default defineComponent({
       cancelAddVolume,
       newVolume,
       updateVolume,
+      deleteVolume,
       addIngredient,
-      calc_min_prices,
       console
     };
   }
diff --git a/src/plugins/pricelist/components/CalculationTable/PriceTable.vue b/src/plugins/pricelist/components/CalculationTable/PriceTable.vue
index 531af12..77e3f11 100644
--- a/src/plugins/pricelist/components/CalculationTable/PriceTable.vue
+++ b/src/plugins/pricelist/components/CalculationTable/PriceTable.vue
@@ -132,7 +132,7 @@
 
 <script lang="ts">
 import { computed, defineComponent, ref } from '@vue/composition-api';
-import store from '../../store/altStore';
+import store, { DrinkPriceVolume } from '../../store/altStore';
 export default defineComponent({
   name: 'PriceTable',
   props: {
@@ -145,7 +145,7 @@ export default defineComponent({
       required: true
     },
     row: {
-      type: Object as () => FG.DrinkPriceVolume,
+      type: Object as () => DrinkPriceVolume,
       required: true
     },
     visibleColumns: {
@@ -161,7 +161,7 @@ export default defineComponent({
       public: true
     };
     const newPrice = ref(emptyPrice);
-    function addPrice(volume: FG.DrinkPriceVolume) {
+    function addPrice(volume: DrinkPriceVolume) {
       store.actions.setPrice({ ...newPrice.value }, volume);
       cancelAddPrice();
     }
@@ -170,7 +170,7 @@ export default defineComponent({
         newPrice.value = emptyPrice;
       }, 200);
     }
-    function updatePrice(price: FG.DrinkPrice, volume: FG.DrinkPriceVolume) {
+    function updatePrice(price: FG.DrinkPrice, volume: DrinkPriceVolume) {
       console.log(price);
       store.actions.updatePrice(price, volume);
     }
diff --git a/src/plugins/pricelist/store/altStore.ts b/src/plugins/pricelist/store/altStore.ts
index d8e7726..1124713 100644
--- a/src/plugins/pricelist/store/altStore.ts
+++ b/src/plugins/pricelist/store/altStore.ts
@@ -1,38 +1,87 @@
-import { reactive } from '@vue/composition-api';
+import { reactive, computed, ComputedRef, WritableComputedRef } from '@vue/composition-api';
 import { axios } from 'src/boot/axios';
 import { AxiosResponse } from 'axios';
-import ExtraIngredient = FG.ExtraIngredient;
 
-const state = reactive<{ drinks: FG.Drink[]; tags: FG.Tag[]; drinkTypes: FG.DrinkType[] }>({
+const state = reactive<{ drinks: Drink[]; tags: FG.Tag[]; drinkTypes: FG.DrinkType[] }>({
   drinks: [],
   tags: [],
   drinkTypes: []
 });
 
+interface MinPrice extends Omit<FG.DrinkMinPrice, 'price'> {
+  price: WritableComputedRef<number> | null;
+}
+interface DrinkPriceVolume extends Omit<Omit<FG.DrinkPriceVolume, 'volume'>, 'min_prices'> {
+  _volume: number;
+  volume: WritableComputedRef<number> | null;
+  min_prices: MinPrice[];
+}
+interface Drink extends Omit<FG.Drink, 'volumes'> {
+  volumes: DrinkPriceVolume[];
+}
+
 const actions = {
   getDrinks() {
     axios
       .get('pricelist/drinks')
       .then((response: AxiosResponse<FG.Drink[]>) => {
-        state.drinks = response.data;
-        console.log(state.drinks);
-        state.drinks.forEach((drink: FG.Drink) => {
-          drink.volumes.forEach((volume: FG.DrinkPriceVolume) => {
+        //state.drinks = [...response.data];
+        /*state.drinks.forEach((drink: Drink) => {
+          drink.volumes.forEach((volume: DrinkPriceVolume) => {
+            // eslint-disable-next-line @typescript-eslint/ban-ts-comment
+            // @ts-ignore
+            volume._volume = volume.volume;
+            volume.volume = create_volume(drink, volume);
             volume.min_prices = [
-              { percentage: 100, price: (drink.cost_price_pro_volume || 0) * volume.volume * 1 },
-              { percentage: 250, price: (drink.cost_price_pro_volume || 0) * volume.volume * 2.5 },
-              { percentage: 300, price: (drink.cost_price_pro_volume || 0) * volume.volume * 3 }
+              {
+                percentage: 100,
+                price: create_min_prices(drink, volume, 100)
+              },
+              {
+                percentage: 250,
+                price: create_min_prices(drink, volume, 250)
+              },
+              {
+                percentage: 300,
+                price: create_min_prices(drink, volume, 300)
+              }
             ];
-            if (volume.ingredients.length > 0) {
-              calc_min_prices(volume);
-            }
             this.sortPrices(volume);
           });
+        });*/
+        response.data.forEach(drink => {
+          const newDrink: Drink = { ...drink, volumes: [] };
+          drink.volumes.forEach(volume => {
+            const newVolume: DrinkPriceVolume = {
+              ...volume,
+              _volume: volume.volume,
+              min_prices: [],
+              volume: null
+            };
+            newVolume.volume = create_volume(newDrink, newVolume);
+            newVolume.min_prices = [
+              {
+                percentage: 100,
+                price: create_min_prices(newDrink, newVolume, 100)
+              },
+              {
+                percentage: 250,
+                price: create_min_prices(newDrink, newVolume, 250)
+              },
+              {
+                percentage: 300,
+                price: create_min_prices(newDrink, newVolume, 300)
+              }
+            ];
+            console.log(newVolume);
+            newDrink.volumes.push(newVolume);
+          });
+          state.drinks.push(newDrink);
         });
       })
       .catch(err => console.warn(err));
   },
-  setPrice(price: FG.DrinkPrice, volume: FG.DrinkPriceVolume) {
+  setPrice(price: FG.DrinkPrice, volume: DrinkPriceVolume) {
     axios
       .post(`pricelist/volumes/${volume.id}/prices`, price)
       .then((response: AxiosResponse<FG.DrinkPrice>) => {
@@ -41,7 +90,7 @@ const actions = {
       })
       .catch(err => console.warn(err));
   },
-  sortPrices(volume: FG.DrinkPriceVolume) {
+  sortPrices(volume: DrinkPriceVolume) {
     volume.prices.sort((a, b) => {
       if (a.price > b.price) return 1;
       if (b.price > a.price) return -1;
@@ -59,31 +108,61 @@ const actions = {
       })
       .catch(err => console.warn(err));
   },
-  updatePrice(price: FG.DrinkPrice, volume: FG.DrinkPriceVolume) {
+  updatePrice(price: FG.DrinkPrice, volume: DrinkPriceVolume) {
     axios
       .put(`pricelist/prices/${price.id}`, price)
       .then((response: AxiosResponse<FG.DrinkPrice>) => {
         const index = volume.prices.findIndex(a => a.id === price.id);
         if (index > -1) {
-          //volume.prices[index] = response.data;
           this.sortPrices(volume);
         }
       })
       .catch(err => console.log(err));
   },
-  setVolume(volume: FG.DrinkPriceVolume, drink: FG.Drink) {
+  setVolume(volume: DrinkPriceVolume, drink: Drink) {
+    console.log(volume);
     axios
-      .post(`pricelist/drinks/${drink.id}/volumes`, volume)
+      .post(`pricelist/drinks/${drink.id}/volumes`, { ...volume, volume: volume.volume })
       .then((response: AxiosResponse<FG.DrinkPriceVolume>) => {
-        drink.volumes.push(response.data);
+        const a: DrinkPriceVolume = {
+          ...response.data,
+          min_prices: [],
+          _volume: response.data.volume,
+          volume: null
+        };
+        a.volume = create_volume(drink, a);
+        a.min_prices = [
+          {
+            percentage: 100,
+            price: create_min_prices(drink, a, 100)
+          },
+          {
+            percentage: 250,
+            price: create_min_prices(drink, a, 250)
+          },
+          {
+            percentage: 300,
+            price: create_min_prices(drink, a, 300)
+          }
+        ];
+        console.log(a);
+        drink.volumes.push(a);
       })
       .catch(err => console.warn(err));
   },
-  updateVolume(volume: FG.DrinkPriceVolume, drink: FG.Drink) {
+  updateVolume(volume: DrinkPriceVolume, drink: Drink) {
     axios
-      .put(`pricelist/volumes/${volume.id}`, volume)
+      .put(`pricelist/volumes/${volume.id}`, { ...volume, volume: volume.volume?.value })
+      .catch(err => console.warn(err));
+  },
+  deleteVolume(volume: FG.DrinkPriceVolume, drink: FG.Drink) {
+    axios
+      .delete(`pricelist/volumes/${volume.id}`)
       .then(() => {
-        //calc_min_prices_by_drink(volume, drink);
+        const index = drink.volumes.findIndex(a => a.id === volume.id);
+        if (index > -1) {
+          drink.volumes.splice(index, 1);
+        }
       })
       .catch(err => console.warn(err));
   }
@@ -91,31 +170,59 @@ const actions = {
 
 const getters = {};
 
-function calc_min_prices_by_drink(volume: FG.DrinkPriceVolume, drink: FG.Drink) {
-  volume.min_prices.forEach(min_price => {
-    min_price.price =
-      ((drink.cost_price_pro_volume || 0) * volume.volume * min_price.percentage) / 100;
+function create_volume(drink: Drink, volume: DrinkPriceVolume) {
+  return computed<number>({
+    get: () => {
+      if (volume.ingredients.some(ingredient => !!ingredient.drink_ingredient)) {
+        let retVal = 0;
+        volume.ingredients.forEach(ingredient => {
+          if (ingredient.volume) {
+            retVal += ingredient.volume;
+          }
+        });
+        volume._volume = retVal;
+        return retVal;
+      } else {
+        return volume._volume;
+      }
+    },
+    set: val => (volume._volume = val)
   });
 }
 
-function calc_min_prices(row: FG.DrinkPriceVolume) {
-  row.volume = 0;
-  let cost_price = 0;
-  row.ingredients.forEach((ingredient: FG.DrinkIngredient & FG.ExtraIngredient) => {
-    console.log(ingredient);
-    if (ingredient.drink_ingredient) {
-      row.volume = row.volume + ingredient.volume;
-      cost_price += ingredient.volume * (ingredient.drink_ingredient.cost_price_pro_volume || 0);
-    } else if (ingredient.name && ingredient.price) {
-      cost_price += ingredient.price;
+function create_min_prices(drink: Drink, volume: DrinkPriceVolume, percentage: number) {
+  if (drink.cost_price_pro_volume) {
+    if (volume.ingredients.every(ingredient => !!ingredient.drink_ingredient)) {
+      return computed<number>(() => {
+        let retVal = (drink.cost_price_pro_volume || 0) * (volume.volume?.value || 0);
+        volume.ingredients.forEach((ingredient: FG.ExtraIngredient) => {
+          retVal += ingredient.price;
+        });
+        retVal = (retVal * percentage) / 100;
+        return retVal;
+      });
+    } else {
+      return computed<number>(
+        () => ((drink.cost_price_pro_volume || 0) * (volume.volume?.value || 0) * percentage) / 100
+      );
     }
-  });
-  row.min_prices.forEach(min_price => {
-    min_price.price = (cost_price * min_price.percentage) / 100;
-  });
+  } else {
+    return computed<number>(() => {
+      let retVal = 0;
+      volume.ingredients.forEach(ingredient => {
+        if (ingredient.drink_ingredient) {
+          retVal += ingredient.volume * (ingredient.drink_ingredient.cost_price_pro_volume || 0);
+        }
+        if (ingredient.name) {
+          retVal += ingredient.price;
+        }
+      });
+      console.log(volume);
+      return (retVal * percentage) / 100;
+    });
+  }
 }
-
-export { calc_min_prices };
+export { create_min_prices, create_volume, DrinkPriceVolume, MinPrice, Drink };
 export default {
   state,
   actions,