$x_{i}be$ the number $of$ subassemblies i manufactured $by$ Roedel, and let $y_{i}be$ the number subassemblies i purchased from outside suppliers, for

$i=1,$dots,$5.$

What $is$ the total manufacturing and purchase cost $(in$ dollars$)$ associated with your recommendation?

$

$(b)$ Suppose Roedel $is$ considering purchasing new machinery $to$ produce large top flaps. For the new machinery, the setup cost $is$ $$3,000$; the

manufacturing time $is2\mathrm{.}5$ minutes per unit, and the manufacturing cost $is$ $$2\mathrm{.}60x_{i}be$ the number $of$ subassemblies i manufactured $by$ Roedel, and let $y_{i}be$ the number subassemblies i purchased from outside suppliers, for

$i=1,$dots,$5.$

What $is$ the total manufacturing and purchase cost $(in$ dollars$)$ associated with your recommendation?

$

$Do$ you think the new machinery should $be$ purchased?

Yes

$No$