Adams Electronics currently produces the shipping containers it uses to deliver the electronics products it sells. The monthly cost of

producing $9,300$ containers follows.

$*$One$-$third of these costs can be avoided by purchasing the containers.

Russo Container Company has offered to sell comparable containers to Adams for $$2\mathrm{.}60$ each.

Required

a$.$ Calculate the total relevant cost. Should Adams continue to make the containers?

b$.$ Adams could lease the space it currently uses in the manufacturing process. If leasing would produce $$11,800$ per month, calculate

the total avoidable costs. Should Adams continue to make the containers?

Answer is complete but not entirely correct.