The following table lists the components needed to assemble an end item, lead ti

Question

The following table lists the components needed to assemble an end item, lead times, and quantities on hand End tem LT (wk) Amount on hand 2 2 0 811239 28 60 2 End Item B (2) D (3) E(2) F(3) G (2) H4) E (2) a. If 22 units of the end item are to be assembled, how many additional units of E are needed? (Hint: You don't need to develop an MRP plan to determine this.) Additional units b. An order for the end item is scheduled to be shipped at the start of week 14. What is the latest week that the order can be started and still be ready to ship on time? (Hint: You don't need to develop an MRP plan for this part either) The latest week

Explanation / Answer

a) For 1 unit of End item assembled, below is the number of unist required for each components and subcomponents -

B - 2*1 = 2 => E = 2*2 = 4; F = 2*3 = 6

C - 1*1 = 1 => G = 2*1 = 2; E = 2*1 = 2

D - 3*1 = 3 => H = 4*3 = 12; E = 2*3 = 6

For 22 units, B = Number of units required - = 36

E(from B) = 36*2-9 = 63

For 22 units, C = Number of units required - = 11

E(from C) = 11*2 = 22

For 22 units, D = Number of units required - = 43

E(from D) = 43*2 = 86

Total units of E required = 63+22+86 = 171

b) End item scheduled week = 14

Scheduled week of B = 14-2 = 12

Scheduled week of C = 14-2 = 12

Scheduled week of D = 14-2 = 12

Scheduled week of E = 12-2 = 10 for B,C and D

Scheduled week of F = 12-2 =10 for B

Scheduled week of G = 12-2 = 10 for C

Scheduled week of H = 12-2 = 10 for D

Hencem the ;atest week that the order can be started is 10th week to be ready to ship on time.

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