Refactor: pull up method

app/models/deliverable.rb

@@ -69,8 +69,11 @@ class Deliverable < ActiveRecord::Base
     overhead_budgets.sum(:budget)
   end
 
+  # The amount of profit that is budgeted for this deliverable.
+  # Profit = Total - ( Labor + Overhead + Fixed + Markup )
   def profit_budget(date=nil)
-    nil
+    budgets = labor_budget_total(date) + overhead_budget_total(date) + fixed_budget_total(date) + fixed_markup_budget_total(date)
+    (total(date) || 0.0) - budgets
   end
 
   def labor_budget_hours(date=nil)

app/models/fixed_deliverable.rb

@@ -20,13 +20,6 @@ class FixedDeliverable < Deliverable
     total
   end
 
-  # The amount of profit that is budgeted for this deliverable.
-  # Profit = Total - ( Labor + Overhead + Fixed + Markup )
-  def profit_budget(date=nil)
-    budgets = labor_budget_total(date) + overhead_budget_total(date) + fixed_budget_total(date) + fixed_markup_budget_total(date)
-    (total(date) || 0.0) - budgets
-  end
-
   # The amount of money remaining after expenses have been taken out
   # Profit left = Total - Labor spent - Overhead spent - Fixed - Markup
   def profit_left(date=nil)

app/models/hourly_deliverable.rb

@@ -50,13 +50,6 @@ class HourlyDeliverable < Deliverable
     write_attribute(:total, nil)
   end
 
-  # The amount of profit that is budgeted for this deliverable
-  # Profit = Total - ( Labor + Overhead + Fixed + Markup )
-  def profit_budget(date=nil)
-    budgets = labor_budget_total(date) + overhead_budget_total(date) + fixed_budget_total(date) + fixed_markup_budget_total(date)
-    (total(date) || 0.0) - budgets
-  end
-
   # The amount of money remaining after expenses have been taken out
   # Profit left = Total - Labor spent - Overhead spent - Fixed - Markup
   def profit_left(date=nil)