Cost price range from ₹ 400 - ₹ 550 and selling price range from ₹ 450 - ₹ 650 Now for maximum profit, cost price should be minimum and selling should be maximum. ⇒ CP = ₹ 400 & SP = ₹ 650 for 10 shirts CP = 400 x 10 = ₹ 4000 SP = 650 x 10 = ₹ 6500 ∴ Profit = ₹ 6500 - ₹ 4000 = ₹ 2500