JZ Trading's manufactures a cleaning detergent. The selling price for a cleaning detergent is R90. The business charges a mark-up profit of 25% per cleaning detergent. What is the mark-up profit in rands per product? (2)

A.
R15

B.
R22.50

C.
R16

D.
R18

The mark-up profit in rands per product is R22.50.

Calculation:
Mark-up profit = Selling price * Mark-up percentage
Mark-up profit = R90 * 0.25
Mark-up profit = R22.50

Therefore, the correct answer is B. R22.50.