PLASESE ANSWER ALL PARTS A TILL E

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.) b. How many unique components does product A have at all levels? Product A has unique components. (Enter your response as an integer.) c. Which of the components are purchased items? d. How many intermediate items does product A have at all levels? Product A has intermediate items. (Enter your response as an integer.) 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.)