a$)$ The annual capacity for a processing plant is $2000$ hours. Table $2$ show the plant processing data.

Table $2$ Plant Processing Data

$\backslash$table$[[$Table $2$ Plant Processing Data$],[$Product$,$Annual Demand,Standard Processing Time per unlt $($hr$.)],[$A$1,400,5\mathrm{.}0],[$B$1,300,8\mathrm{.}0],[$C$1,700,2\mathrm{.}0]]$

Determine the number of machines required to handle the required volume. $[7$

b$)$ Briefly describe approaches that are useful for evaluating capacity alternatives.

$[8$ marks$]$

c$)$ Distinguish between the process$-$focused and product focused systems.

$[10$ marks$]$