blooper industries must replace its magnoosium purification system. quick and drity systems sells a relativley cheap purification system for $15$$ million. the system will last $5$ years. do$-$it$-$right sells a sturdier but more expensive system for $$20$ million; it will last for $8$ years. both systems entail $ $2$million in operating costs; both will be depreciated stirght$-$line to a final value of zero over their usseful lifes; neither will have any slavage value at the end of its life. the firms tax rate is $30\%,$ and the discount rate is $13\%.$

a$.$ what is the equivlant annual cost of investing in the cheap system?

b$.$ what is the equivalent annual cost of investing in the more expenstive system?

c$.$ which system should blooper install?