$($c$)$ Compute the following

SEM $221$

What are the requirements for Parts $A,B,$ and $C$ to meet the weekly demand for the completed product?

$(7\mathrm{.}5$ Marks$)$

Compute the number of assembly station machines required if the factory works for $18$ hours per day and five working days per week.

$(2\mathrm{.}5$ Marks$)$