Question 1

Discounte.g.howCalculate？

Accepted Answer

afterValue = Original price × (1 - Discount)。e.g.Original price100¥，8，afterValueas80¥。

Question 2

manyDiscounte.g.how+？

Accepted Answer

manyDiscount+timeaccording toCalculate。e.g.8Again9：100×0.8×0.9=72¥，Actual Discount Rateas28%。

Question 3

afterValuehowCalculateTax？

Accepted Answer

Tax-inclusive Price = afterValue × (1 + Tax rate)。bookToolSupportsinafterValueBasicupAutoCalculateTax。