b$.$ Ninety$-$five units of end item E are needed at the beginning of week $7.$

Prepare a material requirements plan for component D$.$ Take into

account that $5$ units of E are currently on hand, as well as $50$ units of

B$,100$ units of C$,$ and $80$ units of D$.$ Also, $30$ units of C have been

outsourced and are expected to arrive in week $4.$ Lead times are two

weeks for E and C$,$ and one week for the other components. Assume

lot$-$for$-$lot ordering except for D$,$ where multiples of $40$ must be used.Prepare the material requirements planning for each of the following

questions