The margin pricing calculation is based on the Purchase Price field in the price list.
The Purchase Price field on a sales document line item = the actual cost price from the inventory card (average / FIFO).
Calculating the selling price by margin versus the purchase price field in sales documents
The margin pricing calculation is based on the Purchase Price field in the price list.
The Purchase Price field on a sales document line item = the actual cost price from the inventory card (average / FIFO).