Problem: A retailer uses the order-up-to model to manage inventory of an item in a store. The lead time for replenishments is 3 weeks and it can place orders weekly. Weekly demand is Poisson with mean 0.05 unit. Its order-up-to level is 6 and unfilled demand is backordered. What is the coefficient of variation of its orders? Note: Round your answer to 2 decimal places.