Just make the voucher as required.
Enterprises that usually carry forward costs based on the selling price of goods will, at the end of the month, use the calculated purchase and sales price difference for the goods sold this month to offset the excess sales cost and realized price difference, and prepare the following accounting Entry: Debit: difference between purchase and sale of goods. Credit: Main business costs. Enterprises that do not usually carry forward costs with the sale of goods should write off the difference between the purchase and sale of goods sold and the carry-over costs at the end of the month at the same time, and prepare the following accounting entries: Debit: main business costs.