diff --git a/beesdoo_product/models/beesdoo_product.py b/beesdoo_product/models/beesdoo_product.py
index c460a9a..2195e5d 100644
--- a/beesdoo_product/models/beesdoo_product.py
+++ b/beesdoo_product/models/beesdoo_product.py
@@ -11,6 +11,19 @@ from odoo.tools.translate import _
 _logger = logging.getLogger(__name__)
 
 
+class ResPartner(models.Model):
+    _inherit = "res.partner"
+
+    profit_margin = fields.Float(string="Product Margin [%]")
+
+    @api.multi
+    @api.constrains("profit_margin")
+    def _check_margin(self):
+        for product in self:
+            if product.profit_margin < 0.0:
+                raise UserError(_("Percentages for Profit Margin must > 0."))
+
+
 class BeesdooProduct(models.Model):
     _inherit = "product.template"
 
@@ -252,12 +265,17 @@ class BeesdooProduct(models.Model):
         for product in self:
             suppliers = product._get_main_supplier_info()
             if len(suppliers) > 0:
-                product.suggested_price = (
-                    suppliers[0].price * product.uom_po_id.factor
-                ) * (
-                    1
-                    + suppliers[0].product_tmpl_id.categ_id.profit_margin / 100
+                price = suppliers[0].price
+                profit_margin_supplier = suppliers[0].name.profit_margin
+                profit_margin_product_category = suppliers[
+                    0
+                ].product_tmpl_id.categ_id.profit_margin
+                profit_margin = (
+                    profit_margin_supplier or profit_margin_product_category
                 )
+                product.suggested_price = (
+                    price * product.uom_po_id.factor
+                ) * (1 + profit_margin / 100)
 
 
 class BeesdooScaleCategory(models.Model):
diff --git a/beesdoo_product/readme/DESCRIPTION.rst b/beesdoo_product/readme/DESCRIPTION.rst
index 7c3cfa8..297e02a 100644
--- a/beesdoo_product/readme/DESCRIPTION.rst
+++ b/beesdoo_product/readme/DESCRIPTION.rst
@@ -1,2 +1,3 @@
 Modification of product module for the needs of beescoop
-- SOOO5 - Ajout de label bio/ethique/provenance
+- SOOO5 - Adds the label bio/ethique/provenance
+- Add a 'Suggested exVAT Price' field on products, and a 'Product Margin' field on Partners (Vendors) and Product Categories. The first margin is used if set, otherwise the second margin (which has a default value) is used.
diff --git a/beesdoo_product/views/beesdoo_product.xml b/beesdoo_product/views/beesdoo_product.xml
index f862c11..8083cb1 100644
--- a/beesdoo_product/views/beesdoo_product.xml
+++ b/beesdoo_product/views/beesdoo_product.xml
@@ -164,6 +164,17 @@
         </field>
     </record>
 
+    <record id="beesdoo_product_res_parter_form" model="ir.ui.view">
+        <field name="name">res.partner.form</field>
+        <field name="model">res.partner</field>
+        <field name="inherit_id" ref="base.view_partner_form"/>
+        <field name="arch" type="xml">
+            <group name="purchase" position="inside">
+                <field name="profit_margin"/>
+            </group>
+        </field>
+    </record>
+
     <record model="ir.ui.view" id="beesdoo_scale_category_list">
         <field name="name">beesdoo.scale.category.list</field>
         <field name="model">beesdoo.scale.category</field>