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Question 2 Materials Requirements Planning An MRP exercise isbeing implemented over an 8-week period and the following relevantinformation is provided: One (1) unit of A is made of two (2) unitsof B, two (2) unit of C, and two (2) units of D. B is composed oftwo (2) units of E and one (1) unit of D. C is made of two (2)units of B and three (3) units of E. E is made of two (2) units ofF. Items B, C, and E have one (1) week lead times; A and F havelead times of two (2) weeks; D has lead time of three( 3) weeks.Assume that lot-for-lot (L4L) lot sizing is used for Items A, B andF; lots of size fifty (50), fifty (50) and one hundred (100) areused for Items C, D and E respectively. Items C, E and F haveon-hand (beginning) inventories of twenty (20),fifty (50) andfifty(50), respectively; all other items have zero beginninginventory. We are scheduled to receive ten (10) units of A in Weektwo (2), fifty (50) units of E in Week one (1), and also onehundred (100) units of F in Week one ( 1). There are no otherscheduled receipts.

a) Draw the product structure tree with low level coding [5marks]

b) Draw the corresponding time-phased diagram showing lead timesto scale. [5 marks

] c) If forty (40) units of A are required in Week eight (8),determine the necessary planned order releases for all components{6 schedules}