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ATQ,
Sum of cost price of the washing machine and microwave oven = 12000 + 7500 = Rs. 19,500
Selling price of the washing machine = 12000 × 1.15 = Rs. 13,800
Selling price of the microwave oven = 7500 × 0.80 = Rs. 6,000
Total profit in the transaction = (13800 + 6000) - 19500 = Rs. 300
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