A retailer uses faulty balances to purchase arid sell the goods. He uses his faulty balances in such a way that while buying the goods from wholesaler he gets `8%` more of what he pays for, while selling his goods to his customer he gives `10%` less of what he charges for..If he earns a profit of `28.56%,` by minimum how much per cent does he markup or discount the price?

Options

A. 6.67
B. 10
C. 12.5
D. none of these

Answer

D