Please exaplin the steps to complete this problem: MRP for two end items $x$ and $Z$ is to be completed. The gross requirements for item $x$ are $170$ at the

beginning of week $5$ and $300$ at the beginning of week $7.$ The gross requirements for item $Z$ are $300$ at

the beginning of week $6$ and $150$ at the beginning of week $7.$ The product structure for the two items

is given below.

Item $x$ requires $2$ units of A and one unit of $C.$ Each unit of A requires one unit of $D.$ Item $Z$

requires $1$ units of A and two units of $B.$ Each unit of $B$ requires one unit of $C.$ Note that items $A,C,$

and $D$ appear on both product structures. The lead for each item is specified in the product structure.

The lead time for $x$ is $2$ weeks, for $B$ is $2$ weeks and for all other items is $1$ week. The on$-$hand

inventory for item A at the beginning of week $1$ is $390.$ There are no scheduled receipts.

Using the MRP template provided on the next page, determine the net requirements and planned

order releases for items $x,Z$ and A through $D,$ and then answer the following questions that ask for

the planned order releases for A$,$ C and D in specific weeks.

$($a$)[3$ points$]$ What is the planned order release for Item B in Week $3?600$

$($b$)[3$ points$]$ What is the planned order release for Item $C$ in Week $2?770$

$($c$)[3$ points$]$ What is the planned order release for Item $C$ in Week $4?300$

$($d$)[3$ points$]$ What is the planned order release for Item D in Week $3?850$

$($e$)[3$ points$]$ What is the planned order release for Item D in Week $4?150$P