(c) ₹ 1000 loss Total number of microwave ovens = 12 + 3 = 15 Hence, washing machines = 10 Thus, he sells 80% of both at a profit of ₹ 40000. Cost of 80% of the goods = 0.8 x 205000 = ₹ 164000 Total amount recovered = ₹ (164000 + 40000) = ₹ 204000 Hence, loss = ₹ (205000- 204000) = ₹ 1000