Those buying goods at prices lower than prevalent market rates in exchange offers for older items,apractice popular in the consumer durables and electronics sectors, might have to shell out more in the goods and services tax (GST) regime. For instance,anew phone handset is sold for ~20,000 in exchange for an older one. But, the price of the new handset, without the exchange offer, is ~24,000. Then, the GST would be levied on the higher amount; at present, valueadded tax (VAT) is applicable on the cash component. Also, traders, dealers and distributors who have transition stock when the GST is rolled out might not get the full refund for central taxes already paid. This is likely to affect dealers of aerated drinks, luxury cars, cigarettes, and pan masala. These goods will be taxed at the peak rate of 28 per cent. The rules became clear after the Central Board of Excise and Customs (CBEC) on Sunday issued draft rules on composition, valuation, transition and input tax credit