15. a) b)
A retailer allowed 4% discount on his goods to make 20% profit and sold a
refrigerator for Rs 10,848 with 13% VAT. By how much is the discount to be
increased so that he can gain only 15%?
A supplier sold a scanner machine for Rs 41,400 with 15% VAT after allowing
10% discount on it's marked price and gained 20%. By how much is the discount
percent to be reduced to increase the profit by 4%?