diff --git a/db/migrate/001_create_deliverables.rb b/db/migrate/001_create_deliverables.rb
index 8031b73..f25f7ec 100644
--- a/db/migrate/001_create_deliverables.rb
+++ b/db/migrate/001_create_deliverables.rb
@@ -5,7 +5,7 @@ class CreateDeliverables < ActiveRecord::Migration
       t.column :due_date, :date
       t.column :description, :text
       t.column :type, :string
-      t.column :cost, :decimal
+      t.column :cost, :decimal, :precision => 15, :scale => 2
       t.column :project_manager_signoff, :boolean, :default => false
       t.column :client_signoff, :boolean, :default => false
     end
diff --git a/db/migrate/003_rename_cost_to_budget.rb b/db/migrate/003_rename_cost_to_budget.rb
index 6278ec7..fc0245c 100644
--- a/db/migrate/003_rename_cost_to_budget.rb
+++ b/db/migrate/003_rename_cost_to_budget.rb
@@ -1,11 +1,11 @@
 class RenameCostToBudget < ActiveRecord::Migration
   def self.up
-    add_column :deliverables, :budget, :decimal
+    add_column :deliverables, :budget, :decimal, :precision => 15, :scale => 2
     remove_column :deliverables, :cost
   end
   
   def self.down
-    add_column :deliverables, :cost, :decimal
+    add_column :deliverables, :cost, :decimal, :precision => 15, :scale => 2
     remove_column :deliverables, :budget
   end
 end
diff --git a/db/migrate/004_add_data_fields_to_deliverables_for_calculations.rb b/db/migrate/004_add_data_fields_to_deliverables_for_calculations.rb
new file mode 100644
index 0000000..ba5e2da
--- /dev/null
+++ b/db/migrate/004_add_data_fields_to_deliverables_for_calculations.rb
@@ -0,0 +1,19 @@
+class AddDataFieldsToDeliverablesForCalculations < ActiveRecord::Migration
+  def self.up
+    add_column :deliverables, :overhead, :decimal, :precision => 15, :scale => 2
+    add_column :deliverables, :materials, :decimal, :precision => 15, :scale => 2
+    add_column :deliverables, :profit, :decimal, :precision => 15, :scale => 2
+    add_column :deliverables, :cost_per_hour, :decimal, :precision => 15, :scale => 2
+    add_column :deliverables, :total_hours, :decimal, :precision => 15, :scale => 2
+    add_column :deliverables, :fixed_cost, :decimal, :precision => 15, :scale => 2
+  end
+  
+  def self.down
+    remove_column :deliverables, :overhead
+    remove_column :deliverables, :materials
+    remove_column :deliverables, :profit
+    remove_column :deliverables, :cost_per_hour
+    remove_column :deliverables, :total_hours
+    remove_column :deliverables, :fixed_cost
+  end
+end