Suppose sells 1200 hardcover books per day at an average price of 50 . Assume that cost for the books is 55% of the selling price it charges retail customers. has no beginning inventory, but it wants to have a three-day supply of ending inventory. Assume that selling and administrative expenses are 3600 per day. Determine budgeted purchases for the next (seven-day) week. a 231,000 b 330000 c 600000 d 132000