diff --git a/app/models/deliverable.rb b/app/models/deliverable.rb
index b673771..d6ec691 100644
--- a/app/models/deliverable.rb
+++ b/app/models/deliverable.rb
@@ -9,6 +9,7 @@ class Deliverable < ActiveRecord::Base
   attr_accessor :profit
   attr_accessor :cost_per_hour
   attr_accessor :total_hours
+  attr_accessor :fixed_cost
   
   # TODO: mocked
   def score
diff --git a/app/views/deliverables/_form.html.erb b/app/views/deliverables/_form.html.erb
index 11dbded..d1387a6 100644
--- a/app/views/deliverables/_form.html.erb
+++ b/app/views/deliverables/_form.html.erb
@@ -21,16 +21,23 @@
           <label for="deliverable_type">Fixed Cost</label>
           <%= check_box(:deliverable, :type, {}, FixedDeliverable.name, HourlyDeliverable.name) %>
         </p>
+        <%= observe_field('deliverable_type', :function => "new Budget.changeType();") %>
 
-        <p><%= f.text_field :cost_per_hour, :size => 7 %></p>
+        <p class="budget-hourly"><%= f.text_field :cost_per_hour, :size => 7 %></p>
         <%= observe_field('deliverable_cost_per_hour', :function => "new Budget.updateAmounts();") %>
 
-        <p>
+        <p class="budget-hourly">
           <%= f.text_field :total_hours, :size => 7 %>
           <%= content_tag(:span, 0, :class => "budget-calculation", :id => 'variableCost') %>
         </p>
         <%= observe_field('deliverable_total_hours', :function => "new Budget.updateAmounts();") %>
 
+        <p class="budget-fixed" style="display:none;">
+          <%= f.text_field :fixed_cost, :size => 7 %>
+          <%= content_tag(:span, 0, :class => "budget-calculation", :id => 'fixedCost') %>
+        </p>
+        <%= observe_field('deliverable_fixed_cost', :function => "new Budget.updateAmounts();") %>
+
         <%= field_with_budget_observer_and_totals(f, :overhead) %>
         <%= field_with_budget_observer_and_totals(f, :materials) %>
         <%= field_with_budget_observer_and_totals(f, :profit) %>
@@ -122,6 +129,20 @@ Object.extend(BudgetModule.prototype, {
         }
     },
 
+    changeType: function() {
+        if ($('deliverable_type').checked) {
+            // Fixed
+            $$('.budget-hourly').each(function(ele) { ele.hide(); });
+            $$('.budget-fixed').each(function(ele) { ele.show(); });
+        } else {
+            // Variable
+            $$('.budget-hourly').each(function(ele) { ele.show(); });
+            $$('.budget-fixed').each(function(ele) { ele.hide(); });
+        }
+
+        Budget.updateAmounts();
+    },
+
     // Rails-like number_to_currency currency formatting 
     // http://snippets.dzone.com/posts/show/4646
     number_to_currency: function (number, options) {