diff --git a/postgres/assignments.sql.go b/postgres/assignments.sql.go
index 52bd45d..633b6d0 100644
--- a/postgres/assignments.sql.go
+++ b/postgres/assignments.sql.go
@@ -148,3 +148,22 @@ func (q *Queries) UpdateAssignment(ctx context.Context, arg UpdateAssignmentPara
 	_, err := q.db.ExecContext(ctx, updateAssignment, arg.CategoryID, arg.Date, arg.Amount)
 	return err
 }
+
+const updateAssignmentWithDifference = `-- name: UpdateAssignmentWithDifference :exec
+INSERT INTO assignments (category_id, date, amount)
+VALUES($1, $2, $3) 
+ON CONFLICT (category_id, date) 
+DO 
+   UPDATE SET amount = assignments.amount + $3
+`
+
+type UpdateAssignmentWithDifferenceParams struct {
+	CategoryID uuid.UUID
+	Date       time.Time
+	Amount     numeric.Numeric
+}
+
+func (q *Queries) UpdateAssignmentWithDifference(ctx context.Context, arg UpdateAssignmentWithDifferenceParams) error {
+	_, err := q.db.ExecContext(ctx, updateAssignmentWithDifference, arg.CategoryID, arg.Date, arg.Amount)
+	return err
+}
diff --git a/postgres/queries/assignments.sql b/postgres/queries/assignments.sql
index cb0687d..145eee7 100644
--- a/postgres/queries/assignments.sql
+++ b/postgres/queries/assignments.sql
@@ -29,4 +29,11 @@ INSERT INTO assignments (category_id, date, amount)
 VALUES($1, $2, $3) 
 ON CONFLICT (category_id, date) 
 DO 
-   UPDATE SET amount = $3;
\ No newline at end of file
+   UPDATE SET amount = $3;
+
+-- name: UpdateAssignmentWithDifference :exec
+INSERT INTO assignments (category_id, date, amount)
+VALUES($1, $2, $3) 
+ON CONFLICT (category_id, date) 
+DO 
+   UPDATE SET amount = assignments.amount + $3;
\ No newline at end of file
diff --git a/postgres/ynab-import.go b/postgres/ynab-import.go
index 83c5f9d..13f6afa 100644
--- a/postgres/ynab-import.go
+++ b/postgres/ynab-import.go
@@ -91,12 +91,12 @@ func (ynab *YNABImport) ImportAssignments(context context.Context, r io.Reader)
 			continue
 		}
 
-		assignment := CreateAssignmentParams{
+		assignment := UpdateAssignmentWithDifferenceParams{
 			Date:       date,
 			CategoryID: category.UUID,
 			Amount:     amount,
 		}
-		_, err = ynab.queries.CreateAssignment(context, assignment)
+		err = ynab.queries.UpdateAssignmentWithDifference(context, assignment)
 		if err != nil {
 			return fmt.Errorf("save assignment %v: %w", assignment, err)
 		}
@@ -226,7 +226,8 @@ func (ynab *YNABImport) GetTransaction(context context.Context, record []string)
 }
 
 func (ynab *YNABImport) ImportRegularTransaction(context context.Context, payeeName string,
-	transaction CreateTransactionParams) error {
+	transaction CreateTransactionParams,
+) error {
 	payeeID, err := ynab.GetPayee(context, payeeName)
 	if err != nil {
 		return fmt.Errorf("get payee %s: %w", payeeName, err)
@@ -242,7 +243,8 @@ func (ynab *YNABImport) ImportRegularTransaction(context context.Context, payeeN
 
 func (ynab *YNABImport) ImportTransferTransaction(context context.Context, payeeName string,
 	transaction CreateTransactionParams, openTransfers *[]Transfer,
-	account *Account, amount numeric.Numeric) error {
+	account *Account, amount numeric.Numeric,
+) error {
 	transferToAccountName := payeeName[11:]
 	transferToAccount, err := ynab.GetAccount(context, transferToAccountName)
 	if err != nil {
diff --git a/web/src/components/Currency.vue b/web/src/components/Currency.vue
index 5f09804..809df4f 100644
--- a/web/src/components/Currency.vue
+++ b/web/src/components/Currency.vue
@@ -1,7 +1,11 @@
 <script lang="ts" setup>
 import { computed } from 'vue';
 
-const props = defineProps<{ value: number | undefined }>();
+const props = defineProps<{ 
+    value: number | undefined
+    negativeClass?: string
+    positiveClass?: string
+}>();
 
 const internalValue = computed(() => Number(props.value ?? 0));
 
@@ -11,5 +15,5 @@ const formattedValue = computed(() => internalValue.value.toLocaleString(undefin
 </script>
 
 <template>
-    <span class="text-right" :class="internalValue < 0 ? 'negative' : ''">{{ formattedValue }} €</span>
+    <span class="text-right" :class="internalValue < 0 ? (negativeClass ?? 'negative') : positiveClass">{{ formattedValue }} €</span>
 </template>
\ No newline at end of file
diff --git a/web/src/pages/Budgeting.vue b/web/src/pages/Budgeting.vue
index c796090..13a0c7b 100644
--- a/web/src/pages/Budgeting.vue
+++ b/web/src/pages/Budgeting.vue
@@ -95,10 +95,14 @@ function assignedChanged(e : Event, category : Category){
         <span class="hidden sm:block text-right">Activity</span>
         <span class="hidden sm:block text-right">Available</span>
         <template v-for="group in GroupsForMonth">
-            <a
-                class="text-lg font-bold col-span-2 sm:col-span-4 lg:col-span-5"
+            <span
+                class="text-lg font-bold mt-2"
                 @click="toggleGroup(group)"
-            >{{ (getGroupState(group) ? "−" : "+") + " " + group.Name }}</a>
+            >{{ (getGroupState(group) ? "−" : "+") + " " + group.Name }}</span>
+            <Currency :value="group.AvailableLastMonth" class="hidden lg:block mt-2" positive-class="text-slate-500" negative-class="text-red-700 dark:text-red-400" />
+            <Currency :value="group.Assigned" class="hidden sm:block mx-2 mt-2 text-right" positive-class="text-slate-500" negative-class="text-red-700 dark:text-red-400" />
+            <Currency :value="group.Activity" class="hidden sm:block mt-2" positive-class="text-slate-500" negative-class="text-red-700 dark:text-red-400" />
+            <Currency :value="group.Available" class="mt-2" positive-class="text-slate-500" negative-class="text-red-700 dark:text-red-400" />
             <template v-for="category in GetCategories(group.Name)" v-if="getGroupState(group)">
                 <span class="whitespace-nowrap overflow-hidden">{{ category.Name }}</span>
                 <Currency :value="category.AvailableLastMonth" class="hidden lg:block" />
diff --git a/web/src/stores/budget-account.ts b/web/src/stores/budget-account.ts
index becea06..bf64694 100644
--- a/web/src/stores/budget-account.ts
+++ b/web/src/stores/budget-account.ts
@@ -51,7 +51,7 @@ export const useAccountStore = defineStore("budget/account", {
             return [...monthMap?.values() || []];
         },
         GetCategoryAvailable(state) {
-            return (category : Category) : number => {
+            return (category: Category): number => {
                 return category.AvailableLastMonth + Number(category.Assigned) + category.Activity;
             }
         },
@@ -62,7 +62,7 @@ export const useAccountStore = defineStore("budget/account", {
         GetIncomeAvailable(state) {
             return (year: number, month: number) => {
                 const IncomeCategoryID = this.GetIncomeCategoryID;
-                if(IncomeCategoryID == null)
+                if (IncomeCategoryID == null)
                     return 0;
 
                 const categories = this.AllCategoriesForMonth(year, month);
@@ -80,13 +80,26 @@ export const useAccountStore = defineStore("budget/account", {
                 for (const category of categories) {
                     if (category.ID == this.GetIncomeCategoryID)
                         continue;
-                        
-                    if (category.Group != prev)
-                        categoryGroups.push({
+
+                    if (prev == undefined || category.Group != prev.Name) {
+                        prev = {
                             Name: category.Group,
-                            Expand: category.Group != "Hidden Categories",
+                            Available: this.GetCategoryAvailable(category),
+                            AvailableLastMonth: category.AvailableLastMonth,
+                            Activity: category.Activity,
+                            Assigned: category.Assigned,
+                        }
+                        categoryGroups.push({
+                            ...prev,
+                            Expand: prev.Name != "Hidden Categories",
                         });
-                    prev = category.Group;
+                    } else {
+                        categoryGroups[categoryGroups.length-1].Available += this.GetCategoryAvailable(category);
+                        categoryGroups[categoryGroups.length-1].AvailableLastMonth += category.AvailableLastMonth;
+                        categoryGroups[categoryGroups.length-1].Activity += category.Activity;
+                        categoryGroups[categoryGroups.length-1].Assigned += category.Assigned;
+                        continue;
+                    }
                 }
                 return categoryGroups;
             }
@@ -142,7 +155,7 @@ export const useAccountStore = defineStore("budget/account", {
             account.Transactions = transactions;
         },
         async FetchMonthBudget(budgetid: string, year: number, month: number) {
-            const result = await GET("/budget/" + budgetid + "/" + year + "/" + (month+1));
+            const result = await GET("/budget/" + budgetid + "/" + year + "/" + (month + 1));
             const response = await result.json();
             if (response.Categories == undefined || response.Categories.length <= 0)
                 return;
@@ -153,7 +166,7 @@ export const useAccountStore = defineStore("budget/account", {
             const response = await result.json();
             useBudgetsStore().MergeBudgetingData(response);
 
-            if(!isOpen) {
+            if (!isOpen) {
                 this.Accounts.delete(accountid);
             }
         },