GROSS PROFIT CALCULATION DEVICE, GROSS PROFIT CALCULATION METHOD AND GROSS PROFIT CALCULATION PROGRAM

摘要

To provide a gross profit calculation device, a gross profit calculation method and a gross profit calculation program that can calculate accurate gross profit by using cost price unit cost for a commodity having an alternative size even when the commodity having the alternative size is sold.SOLUTION: In the present embodiment, gross profit is calculated by (1) acquiring cost price unit cost associated with an input alternative size from inventory data including a size of a commodity and cost price unit cost of the commodity, and (2) subtracting a cost price money amount calculated by multiplying the cost price unit cost acquired by the (1) by order quantity of the commodity having an order size from a sales data money amount calculated on the basis of the order size.SELECTED DRAWING: Figure 4