Which of the following correctly describes the low level code for the end items, assemblies, and parts depicted in the following product structure trees? E Select one: o a. The low-level code of A is 1 and I is 1. o b. More than one of these answers is correct. c. The low-level code of Kis 2 and X is 3. d. The low-level code of J is 1 and D is 3. e. The low-level code of A is O and C is 1. o o Below you are shown a product structure tree for end item A. Weekly lead time values for purchase, manufacture, and assembly activities are shown to the immediate right of each item identifier. What is the minimum length planning horizon that should be considered for MRP production scheduling? A 2 5 C 2 D 4 E 3 F 2 G H 2 Select one: a. 7 weeks o o b. 5 weeks o c. 23 weeks d. 4 weeks o e. 6 weeks