for a holiday event, a buyer plans to purchase 200 knit dresses to retial for $79 each. a 53% markup is needed on total puchases. from one of the buyers best resources, 140 dresses were purchased that cost $35 each. The buyer knows, however, that the costs will have to be averaged on the balance of other purchases from alternate resources in order to achieve a 53% markup on the entire group. what markup percentage did the buyer attain on the first purchase of 140 dresses?