Given the following information, develop a material requirements plan for end item A and its components. $50$ and $80$ units of A are needed at the beginning of week $6$ and $8,$ respectively.

Item On$-$Hand On$-$Order Lead Time Order Size

A $20-1$ wk lot$-$for$-$lot

B $--2$ wks $50$

C $60-1$ wk $100$

D $150100($Week $2)2$ wks $200$

E $10-1$ wk lot$-$for$-$lot

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The planned$-$order release for product C is: