PROBLEMS FOR CHAPTER 11 1. Product X is an end item. It is made of two units of Y and four units of Z. Y in turn is made of three units of K and two units of L. Z is made of two units of J and two units of L. X, K, and J have lead times of one week. Y, Z, and L have lead times of two weeks. The on-hand inventory for these items is listed below: Item X Y Z K L U On-hand inventory 10 5 7 0 15 110 a. Using the worksheet for problem number 1, complete the MRP schedule for all items in this problem. Note that 110 units of X are required in week 8; and another 60 units are required in week 6. b. Identify and/or draw the three inputs to MRP by name and identify them in this problem. c. Show why MRP is called a Push System by using this problem. Item lead time MRP schedule 3 4 6 8 Gross requirements On-hand inventory Net requirements Planned order receipt Planned order release Gross requirements On-hand inventory Net requirements Planned order receipt Planned order release Gross requirements On-hand inventory Net requirements Planned order receipt Planned order release Gross requirements On-hand inventory Net requirements Planned order receipt Planned order release Gross requirements On-hand inventory Net requirements Planned order receipt Planned order release Gross requirements On-hand inventory Net requirements Planned order receipt Planned order release