diff --git a/app/controllers/concerns/dashboard_concern.rb b/app/controllers/concerns/dashboard_concern.rb
new file mode 100644
index 0000000..1b465f3
--- /dev/null
+++ b/app/controllers/concerns/dashboard_concern.rb
@@ -0,0 +1,15 @@
+module DashboardConcern
+  extend ActiveSupport::Concern
+
+  included do
+  end
+
+  def build_instance_variables
+    @incomes = Income.order_by_type
+    @fixed_expenses = FixedExpense.get_ordered
+    @totals = FixedExpense.total_costs
+    @federal_tax_brackets = FederalTaxBracket.order_by_range
+    @salary_taxed = Income.tax_on_income(income_type: "Salary")
+    @hourly_taxed = Income.tax_on_income(income_type: "Hourly")
+  end
+end
diff --git a/app/controllers/dashboard_controller.rb b/app/controllers/dashboard_controller.rb
index 5c20825..8ac89e6 100644
--- a/app/controllers/dashboard_controller.rb
+++ b/app/controllers/dashboard_controller.rb
@@ -1,10 +1,6 @@
 class DashboardController < ApplicationController
+  include DashboardConcern
   def index
-    @incomes = Income.order_by_type
-    @fixed_expenses = FixedExpense.get_ordered
-    @totals = FixedExpense.total_costs
-    @federal_tax_brackets = FederalTaxBracket.order_by_range
-    @salary_taxed = Income.tax_on_income(income_type: "Salary")
-    @hourly_taxed = Income.tax_on_income(income_type: "Hourly")
+    build_instance_variables
   end
 end
diff --git a/app/controllers/fixed_expenses_controller.rb b/app/controllers/fixed_expenses_controller.rb
index 08c7ba2..ec1c0ce 100644
--- a/app/controllers/fixed_expenses_controller.rb
+++ b/app/controllers/fixed_expenses_controller.rb
@@ -1,4 +1,5 @@
 class FixedExpensesController < ApplicationController
+  include DashboardConcern
   before_action :set_fixed_expense, only: %i[show edit update destroy]
 
   # GET /fixed_expenses or /fixed_expenses.json
@@ -25,10 +26,7 @@ def create
 
     respond_to do |format|
       if @fixed_expense.save
-        @totals = FixedExpense.total_costs
-        @fixed_expenses = FixedExpense.get_ordered
-        @salary_taxed = Income.tax_on_income(income_type: "Salary")
-        @hourly_taxed = Income.tax_on_income(income_type: "Hourly")
+        build_instance_variables
         format.html { redirect_to root_path, notice: "Fixed expense was successfully created." }
         format.turbo_stream
       else
@@ -42,9 +40,7 @@ def create
   def update
     respond_to do |format|
       if @fixed_expense.update_from_dashboard(params: params[:fixed_expense])
-        @totals = FixedExpense.total_costs
-        @salary_taxed = Income.tax_on_income(income_type: "Salary")
-        @hourly_taxed = Income.tax_on_income(income_type: "Hourly")
+        build_instance_variables
         format.html { redirect_to root_path, notice: "Fixed expense was successfully updated." }
         format.turbo_stream
       else
@@ -57,10 +53,7 @@ def update
   # DELETE /fixed_expenses/1 or /fixed_expenses/1.json
   def destroy
     @fixed_expense.destroy
-    @totals = FixedExpense.total_costs
-    @fixed_expenses = FixedExpense.get_ordered
-    @salary_taxed = Income.tax_on_income(income_type: "Salary")
-    @hourly_taxed = Income.tax_on_income(income_type: "Hourly")
+    build_instance_variables
     respond_to do |format|
       format.html { redirect_to fixed_expenses_path, notice: "Fixed expense was successfully destroyed." }
       format.turbo_stream
diff --git a/app/controllers/incomes_controller.rb b/app/controllers/incomes_controller.rb
index 1e34b9d..80bfe29 100644
--- a/app/controllers/incomes_controller.rb
+++ b/app/controllers/incomes_controller.rb
@@ -1,4 +1,5 @@
 class IncomesController < ApplicationController
+  include DashboardConcern
   before_action :set_income, only: %i[show edit update destroy]
 
   # GET /incomes or /incomes.json
@@ -38,9 +39,7 @@ def create
   def update
     respond_to do |format|
       if @income.update_from_dashboard(params: params)
-        @salary_taxed = Income.tax_on_income(income_type: "Salary")
-        @hourly_taxed = Income.tax_on_income(income_type: "Hourly")
-        @totals = FixedExpense.total_costs
+        build_instance_variables
         format.html { redirect_to root_path, notice: "Income was successfully updated." }
         format.turbo_stream
       else