at booksrus, a large retailer of popular books, demand is constant at 34,000 books per year. the cost of placing an order to replenish stock is $75, and the annual cost of holding is $6.00 per book. stock is received 12 working days after an order has been placed. no backorder is allowed. assume 325 working days a year. what is the optimal number of orders per year? (enter your response rounded to the nearest whole number.)
