Component Immediate Parent Usage per Parent Lead Time (weeks) Beginning Inventory A none 1 0 B A 2 2 250 C A 1 6 500 D A 3 3 750 E A 2 2 750 F B 4 2 3000 G B 2 4 1000 H D 3 2 5000 I D 2 4 5000 J E 1 8 1000 K E 5 1 5000 L E 2 4 2500 M F 3 3 250 N F 6 3 2560 O H 2 4 0 P K 1 2 500 Q K 2 3 1000

1. Using the information given, calculate the replenishment time when no beginning inventory exists.