14. Given the following information, construct a product tree diagram Item Parent(s) Quantity for 1 of Parent Inventory On-Hand Scheduled Receipt (in week) Lead Time (week) Lot Size P - - - - 1 Lot-for-lot A P 1 100 0 1 Lot-for-lot B P 2 0 0 1 Multiple of 450 C A B 2 1 90 100 (week 2) 2 Multiple of 600 D B 3 50 80 (week 2) 2 Lot-for-lot (a) Develop a material requirements plan that will yield 400 units of product P at the start of week 7 and 500 units of product P at the start of week 8. (10 marks) (b) If we want to have 2,000 Ds as a safety stock. How the MRP plan of (a) will change? Please answer qualitatively without recalculation. (5 marks) (c) Assume that C and D are purchased from suppliers and they are to be processed to make P. The required machine hour and labor hours for A,B and P are as following: Can you implement the production plan of (a)? Why or why not? (5 marks) P A B Machine Hour/unit 2 3 1 Labor Hour/unit 1 2 2 Use the following form: