The selling price of 8 shirts is equal to the purchase price of 10 shirts . What is the profit margin ?
A
15%
B
20%
C
25%
D
Not possible to find out
Correct Answer: 25%
CP of 10 shirts = SP of 8 shirts Let the CP of 1 shirt be Tk. x CP of 10 shirts = 10x SP of 8 shirts = 10x SP of 1 shirt = 10x/8 Profit = SP - CP = (10x/8) - x = 2x/8 The profit margin = (Profit/ CP) *100 = {(2x/8)/x}*100 = 25%