In both cases, he is earning profit. 1st case, Profit% = 28% 2nd case, 20% less than actual measure so Profit% = 20% (S.P/C. P) = (128/100) × (100/80) = 32/20 SO, S.P = 32x and C.P = 20x Profit = (32x - 20x) = 12x Overall Profit% = (12x)/(20x) x 100 = 60%.
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