FLAT for Mr. Krishan = RS. 9,25,000Spent on renovation = Rs. 35,000Selling price of flat for Mr. Krishan = Rs. 10,80,000Concept USED:P = S.P – C.PP% = (P/C.P) × 100Calculations:Total money spent on flat i.e. C.P. = 925000 + 35000 = Rs. 9,60,000Selling price of flat = Rs. 10,80,000Profit = SP – CP = Rs. 1,20,000Profit% = (1,20,000/9,60,000) × 100 = 12.5%∴ Requried profit % is 12.5%