CP of Computer = Rs. 32,000
SP of Computer = Rs. 32,000 x 0.95 = Rs. 30,400
CP of Microwave = Rs. 6,500
SP of Computer = Rs. 6,500 x 1.15 = Rs. 7,475
Total CP = Rs. 38,500
Total SP = Rs. 37875
Loss = Rs. 625
Loss % = ( 625 / 38,500 ) x 100 = 1.62 %