Assume а sаfety stоck level оf 40 аnd an оrder quantity of 800, along with the cost, annual demand, average demand, and average lead time information listed previously (which is repeated below): Annual demand = 5000 Holding cost = $4 / unit / year Working days per year = 200 days Order cost = $50 Average daily demand = 25 units Average lead time = 6 days The number of orders each year would be (to the closest integer)