diff --git a/mrp_production_project_estimated_cost/models/mrp_production.py b/mrp_production_project_estimated_cost/models/mrp_production.py
index 9f4463519..25267486c 100644
--- a/mrp_production_project_estimated_cost/models/mrp_production.py
+++ b/mrp_production_project_estimated_cost/models/mrp_production.py
@@ -25,16 +25,16 @@ class MrpProduction(models.Model):
     @api.depends('analytic_line_ids', 'analytic_line_ids.estim_std_cost',
                  'product_qty')
     def get_unit_std_cost(self):
-        self.std_cost = sum([line.estim_std_cost for line in
-                             self.analytic_line_ids])
+        self.std_cost = -(sum([line.estim_std_cost for line in
+                               self.analytic_line_ids]))
         self.unit_std_cost = self.std_cost / self.product_qty
 
     @api.one
     @api.depends('analytic_line_ids', 'analytic_line_ids.estim_avg_cost',
                  'product_qty')
     def get_unit_avg_cost(self):
-        self.avg_cost = sum([line.estim_avg_cost for line in
-                             self.analytic_line_ids])
+        self.avg_cost = -(sum([line.estim_avg_cost for line in
+                               self.analytic_line_ids]))
         self.unit_avg_cost = self.avg_cost / self.product_qty
 
     @api.one
diff --git a/mrp_production_project_estimated_cost/views/account_analytic_line_view.xml b/mrp_production_project_estimated_cost/views/account_analytic_line_view.xml
index d658d458f..ae6a5620c 100644
--- a/mrp_production_project_estimated_cost/views/account_analytic_line_view.xml
+++ b/mrp_production_project_estimated_cost/views/account_analytic_line_view.xml
@@ -24,8 +24,8 @@
                     <field name="product_id"/>
                 </field>
                 <field name="journal_id" position="after">
-                    <field name="estim_std_cost" />
-                    <field name="estim_avg_cost" />
+                    <field name="estim_std_cost" sum="Estim. AVG"/>
+                    <field name="estim_avg_cost" sum="Estim. STD"/>
                 </field>
             </field>
         </record>
@@ -41,8 +41,8 @@
                     <field name="name"/>
                     <field name="product_id"/>
                     <field name="journal_id"/>
-                    <field name="estim_avg_cost"/>
-                    <field name="estim_std_cost"/>
+                    <field name="estim_avg_cost" sum="Estim. AVG"/>
+                    <field name="estim_std_cost" sum="Estim. STD"/>
                     <field name="amount"/>
                     <field name="unit_amount"/>
                     <field name="account_id"/>
diff --git a/mrp_production_project_estimated_cost/views/mrp_production_view.xml b/mrp_production_project_estimated_cost/views/mrp_production_view.xml
index 268fb4751..486ca81cc 100644
--- a/mrp_production_project_estimated_cost/views/mrp_production_view.xml
+++ b/mrp_production_project_estimated_cost/views/mrp_production_view.xml
@@ -34,7 +34,7 @@
                 </button>
                 <button name="action_cancel" position="after">
                     <button name="calculate_production_estimated_cost" states="draft,ready,in_production" string="Create Estimated Costs" type="object"/>
-                    <button name="load_product_std_price" string="Load Cost on Product" type="object" attrs="{'invisible':[('std_cost', '=', 0)]}"/>
+                    <button name="load_product_std_price" string="Load Estimated Cost on Product" type="object" attrs="{'invisible':[('std_cost', '=', 0)]}"/>
                 </button>
                 <group string="Manufacturing costs" position="inside">
                     <group>