21. C&A reports annual sales of $30 million, cost of goods sold of $15 million, inventory of $5 million, and net income of $2 million. What is C&A's: a) flow rate, b) monthly inventory turns, c) month-of-supply 22.Store B orders on a weekly basis. Its weekly demand is 50 units with a standard deviation of five units. The holding cost is $10 per unit per week and a 0.99 in-stock probability is desired. a) What is Store B's weekly inventory holding cost if lead time is two weeks? b) What is Store B's weekly inventory holding cost per unit