Cost price of refrigerator = ₹(2500 + 1500) = ₹4000
[Rohan had to spend ₹1500 on repairs] (1 mark)
Loss = CP - SP = ₹(4000 - 3200) = ₹800
(because the cost price is greater than the selling price)
(1 mark)
Loss percentage=LossCP×100
=8004000×100=20%
Hence, loss percent = 20%
(1 mark)