b. How many unique components does product A have at all levels?

c. Which of the components are purchased items?

d. How many intermediate items does product A have at all levels?

e. Given the lead times (LT) noted on the figure, how far in advance (in weeks) of shipment must a purchase commitment be for any of the purchased items identified in part (c)?

A purchase commitment must be made weeks in advance. (Enter your response as an integer)

Consider the bill of materials (BOM) shown to the right. a. How many immediate parents (one level above) does item I have? How many immediate parents does item E have? Item I has immediate parent(s) and item E has immediate parent(s). (Enter your responses as integers.)