Lindner Congress Bookstore sells a unique calculator to college students. The demand for this calculator has a normal distribution with an average daily demand of seventeen units and a standard deviation of three units per day. The lead time for this calculator is very stable at four days. Compute the standard deviation of demand during lead time, and determine the safety stock and statistical reorder point that result in 5 percent stockouts. Do not round intermediate calculations. Round your answers to two decimal places. Standard deviation of demand during lead time: Safety stock: units Statistical reorder point: units