Blooper Industries must replace its magnoosium purification system. Quick & Dirty Systems sells a relatively cheap purification system for $$12$ million. The system will last $4$ years. Do$-$It$-$Right sells a sturdier but more expensive system for $$18$ million; it will last for $6$ years. cost of investing in the cheap system?

a$.$ What is the equivalent annual intermediate calculations. Enter your answer as a positive value. Enter your answer in millions rounded Note: Do not places.

to $2$ decimal places. Note: Do not places.

in $7$ decimal places. Blooper install?