How to write an accounting entry for the difference between the purchase and sale price of drugs

The counter group spread rate or the rate of difference between purchase and sale R rate of difference between purchase and sale = (the difference between the beginning of the period balance of goods + the difference between the purchase of goods in the current period)

(the beginning of the period balance of goods + the purchase of goods in the current period)*100%, the difference between the sales of goods in the current period should be shared = the sales of goods in the current period * the difference between the rate of difference

Borrow: the difference between the purchase and sale of goods (in red when there is a loss)

Loan: the main business cost ( Red letter in case of loss)

Added: general taxpayers at the end of the month according to the total amount of the main business income tax payable main business income should be excluded from the tax price = retail price