The following table lists the components needed to assemble an end item, lead ti
ID: 427666 • Letter: T
Question
The following table lists the components needed to assemble an end item, lead times, and quantities on hand.
a. If 19 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 17. 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) End item requirement = 19 units - 0 units units
Requirement of item B = (19*2)-11 = 27 units
Requirement of item E from B = (27*2)-12 = 42 units
Requirement of item C = (19*1)-8 = 11 units
Requirement of item E from C = (11*2) = 22 units
Requirement of item D = (19*3)-26 = 31 units
Requirement of item E from D = (31*2) = 62 units
Total requirement of item E = 42+22+62 = 126 units
b) Level 0
End item scheduled ship week = 17
End item scheduled start week = 17-2 = 15
Level 1
Item B scheduled start week = 15-2 = 13.
Item C scheduled start week = 15-3 = 12
Item D scheduled start week = 15-3 = 12
Level 2
Item E scheduled start week from B = 13-1 = 12
Item F scheduled start week from B = 13-2 = 11
Item G scheduled start week from C = 12-1 = 11
Item E scheduled start week from C = 11-1 = 11
Item H scheduled start week from D = 12-2 = 10
Item E scheduled start week from D = 12-1 = 11
The order should be started on 10th week to be scheduled to ship on 17th week.
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