ASC, a manufacturer of office equipment, uses MRP to schedule its production. Because of the current recession and the need to cut costs, ASC has targeted inventory as a prime area for cost reduction. However, the company does not want to reduce its customer service level in the process. Demand and inventory data for a two-drawer file cabinet are given in the following table. Complete an MRP matrix for the file cabinet using: (a) L4L, (b) EOQ, and (c) POQ lot sizing. Which lot-sizing rule do you recommend?