11. The following MRP record is for an item purchased from Cannonball Adderly, another supplier for Ajax Diesel. This sample part requires a two-week lead time. The percent defective for purchased lots of this item averages 17 percent and has been as large as 27 percent. Defective items are removed and returned to the vendor when found. Construct an MRP record to protect against inventory shortages using a fixed order quantity. An economic order quantity of 30 units has been calculated for this item.

Week 1 2 3 4 5 6 7 8 Gross requirements 12 0 27 8 34 3 23 29 Scheduled receipts Projected available balance 21 Planned order release