The MRP Department has a problem. Its computer “died” just as it spit out the following information: Planned order release for item J27 640 units in week 2. The firm has been able to reconstruct all the information they lost except the master schedule for end item 565. The firm is fortunate because J27 is used only in 565s. Given the following product structure tree and associated inventory status record information, determine what master schedule entry for 565 was exploded into the material requirements plan that killed the computer.

Part Number On Hand Lot Size Lead Time 565 565 Lot-for-lot 1 week X43 60 Multiples of 120 1 week X43 Y36 (2) N78 N78 Lot-for-lot 2 weeks Y36 200 Lot-for-lot 1 week J27 (4) X43 J27 Lot-for-lot 2 weeks