During the fall season, a retailer determined that in order to meet the next season's planned sales, the total amount of merchandise required next season was $360,000 at retail, with an initial markup goal of 52%. At the beginning of the next season, the merchandise on hand (opening inventory) came to $80,000 at retail, with a cumulative markup of 49% on these goods. For the coming season, what initial markup percentage does the buyer need to achieve on any new purchases?