A company uses an MRP (materials requirement planning) system to control inventory. One objective is to minimize raw material inventories while avoiding production shutdowns. One way to achieve this objective using MPP is to
?A. Regularly update the authorized master production schedule.
?B. Use an EOQ (economic onder quantity) model.
?C. Take a physical inventory monthly instead of annually.
?D. Use a second-order exponentist smoothing model with seasonality factors.