diff --git a/app/controllers/deliverables_controller.rb b/app/controllers/deliverables_controller.rb
index 9358b9a..e0a74de 100644
--- a/app/controllers/deliverables_controller.rb
+++ b/app/controllers/deliverables_controller.rb
@@ -28,7 +28,7 @@ class DeliverablesController < InheritedResources::Base
 
   def show
     if show_partial?
-      @period = params[:period]
+      @period = extract_period(params[:period])
       render :partial => 'deliverables/details_row', :locals => {:contract => @contract, :deliverable => @contract.deliverables.find(params[:id]), :period => @period}
     else
       redirect_to contract_url(@project, @contract)
@@ -57,4 +57,13 @@ class DeliverablesController < InheritedResources::Base
     @project = @contract.project
   end
 
+  def extract_period(param)
+    period = nil
+    if param.present? && param.match(/\A\d{4}-\d{2}\z/) # "YYYY-MM"
+      year, month = param.split('-')
+      period = Date.new(year.to_i, month.to_i, 1)
+    end
+    period
+  end
+
 end
diff --git a/app/helpers/contracts_helper.rb b/app/helpers/contracts_helper.rb
index ebe224e..0266bd0 100644
--- a/app/helpers/contracts_helper.rb
+++ b/app/helpers/contracts_helper.rb
@@ -86,12 +86,18 @@ module ContractsHelper
     number_with_precision(value, :precision => Contract::ViewPrecision, :delimiter => ',')
   end
 
-  def retainer_period_options(deliverable)
+  def retainer_period_options(deliverable, method_options={})
+    selected = method_options[:selected]
+    if selected && selected.is_a?(Date)
+      selected = selected.strftime("%Y-%m")
+    end
+
     options = []
     options << content_tag(:option, l(:label_all).capitalize, :value => '')
 
     deliverable.months.collect do |month|
-      options << content_tag(:option, month.strftime("%B %Y"), :value => month.strftime("%Y-%m"))
+      value = month.strftime("%Y-%m")
+      options << content_tag(:option, month.strftime("%B %Y"), :value => value, :selected => (selected == value) ? 'selected' : nil)
     end
     
     options
diff --git a/app/models/deliverable.rb b/app/models/deliverable.rb
index b668ff1..3517409 100644
--- a/app/models/deliverable.rb
+++ b/app/models/deliverable.rb
@@ -38,6 +38,11 @@ class Deliverable < ActiveRecord::Base
     ''
   end
 
+  # Deliverable's aren't dated. Subclasses may override this for period behavior.
+  def current_date
+    nil
+  end
+
   def to_s
     title
   end
diff --git a/app/models/fixed_deliverable.rb b/app/models/fixed_deliverable.rb
index 0c2fd03..52e6a11 100644
--- a/app/models/fixed_deliverable.rb
+++ b/app/models/fixed_deliverable.rb
@@ -29,8 +29,8 @@ class FixedDeliverable < Deliverable
 
   # The amount of money remaining after expenses have been taken out
   # Profit left = Total - Labor spent - Overhead spent
-  def profit_left
-    total_spent - labor_budget_spent - overhead_spent
+  def profit_left(date=nil)
+    total_spent(date) - labor_budget_spent(date) - overhead_spent(date)
   end
   
   # Hardcoded value used as a wrapper for the old Budget plugin API.
diff --git a/app/models/retainer_deliverable.rb b/app/models/retainer_deliverable.rb
index b06f094..033676f 100644
--- a/app/models/retainer_deliverable.rb
+++ b/app/models/retainer_deliverable.rb
@@ -19,8 +19,12 @@ class RetainerDeliverable < HourlyDeliverable
     'R'
   end
 
+  def current_date
+    Date.today
+  end
+  
   def current_period
-    Date.today.strftime("%B %Y")
+    current_date.strftime("%B %Y")
   end
 
   def beginning_date
@@ -32,7 +36,11 @@ class RetainerDeliverable < HourlyDeliverable
   end
 
   def date_range
-    (beginning_date..ending_date)
+    if beginning_date && ending_date && beginning_date <= ending_date
+      (beginning_date..ending_date)
+    else
+      []
+    end
   end
 
   def within_date_range?(date)
diff --git a/app/views/contracts/show.html.erb b/app/views/contracts/show.html.erb
index 48fe286..55a4254 100644
--- a/app/views/contracts/show.html.erb
+++ b/app/views/contracts/show.html.erb
@@ -108,7 +108,7 @@
             <% end %>
 
             <tr id="deliverable_details_<%= h(deliverable.id) %>" class="ign">
-              <%= render :partial => 'deliverables/details_row', :locals => {:deliverable => deliverable, :contract => resource} %>
+              <%= render :partial => 'deliverables/details_row', :locals => {:deliverable => deliverable, :contract => resource, :period => deliverable.current_date} %>
             </tr>
           <% end %>
         </tbody>
diff --git a/app/views/deliverables/_details_row.html.erb b/app/views/deliverables/_details_row.html.erb
index 4cdc03a..c4d6aea 100644
--- a/app/views/deliverables/_details_row.html.erb
+++ b/app/views/deliverables/_details_row.html.erb
@@ -1,4 +1,4 @@
-<% period ||= '' %>
+<% period ||= nil %>
 
               <td colspan="11" class="deliverable_details_outer_wrapper_<%= h(deliverable.id) %>">
                 
@@ -16,7 +16,7 @@
                     <form method="get" action="<%= contract_deliverable_path(@project, contract, deliverable, :format => 'js', :as => 'deliverable_details_row') %>">
                       <fieldset>
                         <select name="period" id="retainer_period_change_<%= h(deliverable.id) %>" class="retainer_period_change">
-                          <%= retainer_period_options(deliverable) %>
+                          <%= retainer_period_options(deliverable, :selected => period) %>
                         </select>
                       </fieldset>
                     </form>
@@ -52,28 +52,28 @@
                       <tbody>
                         <tr>
                           <td class="l"><a href="#"><strong>Labor</strong></a></td>
-                          <td class="labor_budget_spent"><%= h(format_value_field_for_contracts(deliverable.labor_budget_spent)) %></td>
-                          <td class="labor_budget_total"><%= h(format_value_field_for_contracts(deliverable.labor_budget_total)) %></td>
+                          <td class="labor_budget_spent"><%= h(format_value_field_for_contracts(deliverable.labor_budget_spent(period))) %></td>
+                          <td class="labor_budget_total"><%= h(format_value_field_for_contracts(deliverable.labor_budget_total(period))) %></td>
                           <td> TODO: Release 2 / TODO hrs </td>
                         </tr>
                         <tr>
                           <td class="l"><a href="#"><strong>Overhead</strong></a></td>
-                          <td class="overhead_budget_spent"><%= h(format_value_field_for_contracts(deliverable.overhead_spent)) %></td>
-                          <td class="overhead_budget_total"><%= h(format_value_field_for_contracts(deliverable.overhead_budget_total)) %></td>
+                          <td class="overhead_budget_spent"><%= h(format_value_field_for_contracts(deliverable.overhead_spent(period))) %></td>
+                          <td class="overhead_budget_total"><%= h(format_value_field_for_contracts(deliverable.overhead_budget_total(period))) %></td>
                           <td> TODO: Release 2 / TODO hrs </td>
                         </tr>
                         <%# TODO: Release 2, Fixed %>
                         <%# TODO: Release 2, Markup %>
                         <tr>
                           <td class="l">Profit</td>
-                          <td><%= h(format_value_field_for_contracts(deliverable.profit_left)) %></td>
-                          <td><%= h(format_value_field_for_contracts(deliverable.profit_budget)) %></td>
+                          <td><%= h(format_value_field_for_contracts(deliverable.profit_left(period))) %></td>
+                          <td><%= h(format_value_field_for_contracts(deliverable.profit_budget(period))) %></td>
                           <td></td>
                         </tr>
                         <tr class="total">
                           <td class="l"><strong>Total:</strong></td>
-                          <td class="total_spent"><strong><%= h(format_value_field_for_contracts(deliverable.total_spent)) %></strong></td>
-                          <td class="total"><strong><%= h(format_value_field_for_contracts(deliverable.total)) %></strong></td>
+                          <td class="total_spent"><strong><%= h(format_value_field_for_contracts(deliverable.total_spent(period))) %></strong></td>
+                          <td class="total"><strong><%= h(format_value_field_for_contracts(deliverable.total(period))) %></strong></td>
                           <td><strong>TODO: Release 2</strong></td>
                         </tr>
                       </tbody>
diff --git a/test/integration/deliverable_details_test.rb b/test/integration/deliverable_details_test.rb
index 295c4e0..acb5a3d 100644
--- a/test/integration/deliverable_details_test.rb
+++ b/test/integration/deliverable_details_test.rb
@@ -32,7 +32,6 @@ class DeliverableDetailsShowTest < ActionController::IntegrationTest
       
       visit "/projects/#{@project.id}/contracts/#{@contract.id}/deliverables/#{@deliverable1.id}", :get, {:format => 'js', :as => 'deliverable_details_row', :period => '2010-02'}
 
-      puts response.body
       assert_response :success
       assert_select ".deliverable_details_outer_wrapper_#{@deliverable1.id}" do
         assert_select "td.labor_budget_total", '100'
@@ -40,7 +39,7 @@ class DeliverableDetailsShowTest < ActionController::IntegrationTest
         assert_select "td.total", '100'
 
         assert_select "select.retainer_period_change" do
-          assert_select "option[selected=selected]", "Feburary 2010"
+          assert_select "option[selected=selected]", "February 2010"
         end
       end