diff --git a/modules/purchase_trade/purchase.py b/modules/purchase_trade/purchase.py
index dafaf88..9066d24 100755
--- a/modules/purchase_trade/purchase.py
+++ b/modules/purchase_trade/purchase.py
@@ -1346,6 +1346,8 @@ class Line(metaclass=PoolMeta):
                 if assay.type == state:
                     for line in assay.lines:
                         if line.element == element:
+                            if line.unit.symbol == 'g/t':
+                                return line.value / Decimal(1000)
                             return line.value
                         
     def check_pricing(self):
@@ -1366,7 +1368,7 @@ class Line(metaclass=PoolMeta):
                             price = Decimal(cp.get_last_price())
                             logger.info("PRICE:%s",price)
                             if t.payable_rule:
-                                payable_price = t.payable_rule.compute_payable_quantity(grade) *  ((Decimal(100) / Decimal(grade)) * price) / Decimal(100)
+                                payable_price = t.payable_rule.compute_payable_quantity(grade) * price / Decimal(100)
                             
                     t.manual_price = round(payable_price - penalty_price,2)
                     t.currency = self.purchase.currency