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 (in weeks), and quantities on hand.

If 45 units of the end item are to be assembled, how many additional units of B are needed? (Hint: You don’t need to develop an MRP plan.)

An order for the end item is scheduled to be shipped at the start of week 10. 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.)

The following table lists the components needed to assemble an end item, lead times (in weeks), and quantities on hand.

Explanation / Answer

Q1) Additional units of B required can be obtained by considering the assemblies where B is used as components and subtracting the onhand quantity available.

45 units of End item----90 units of L, 45 units of C and 135 units of K

90 units of L requires 180 units of B

45 units of C requires 90 units of B

135 units of K requires 270 units of B

Additional units of B required = 180+90+270-30 = 510

Q2) The latest week by which the order can be shipped is week 3.

As the longest path for the manufacture of End item is G-C-End item which takes 3+3+1 = 7 weeks

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