When creating a sales order is automatically prices and discounts based on the combination of customer / client group and the products / product categories. These prices and discounts can change during the entire sales order life. In addition, attached sales contract current cost prices so that the contribution margin can be monitored. By default, made no charging before delivery or billing of a sales order. However, there are opportunities to print and analyze sales order backlog and the accrual basis of expected delivery dates and order status. Since all calculations are performed with floating point and can be more complicated than they showed in the first round and when they booked, some of the calculations and the results show øredifferencer.