A textbook has a retail price of $65.94 at the school store. The school 8 store marked the book up 33.3% based on the retail price. What did the book cost the school store? Jan's Fun in the Sun store sold an item for $67.50 at retail. The cost of 9 that item was $33.75. Determine the percentage of markup based on cost for that item. Fran's Souvenir Shop uses a 60% markup on the cost to determine its 10 retail prices. Determine the retail price of an item that costs Fran $85