Wheat Flour Manufacturing produces flour which is sold to the restaurant industry. It provides you with the following information: Demand for wheat flour during lead time averages 250 pounds; Demand during lead time is described by a normal distribution that has a mean of 250 pounds and a standard deviation of 8 pounds. Wheat Flour is willing to accept a stockout risk of no more than 5%. Answer the following questions: a). What value of z is appropriate? b). How much safety stock should be held? c). What reorder point should be used