Question $2.($Total $15$ points$)$

ROCK Promotions holds a summer festival every year at the beginning of August. For

booths, they currently rent tables but are considering constructing the tables

themselves and then making them available for other events and concert promotors.

Currently, they pay $$15\mathrm{.}10$ each and transportation costs are $$20$ per package of $5.$ To

make a table, one method $($Method A$)$ will cost $$14\mathrm{.}00$ each and $$2,200$ annually in

fixed costs; another method $($Method B$)$ will cost $$16\mathrm{.}00$ each and $$2,000$ annually in

fixed costs. Annual demand for tables is expected to be $510$ units.

Advise ROCK Promotions whether they should continue to rent the Tables or make

them internally; if internally, indicate which method