Quick \& Dirty Systems sells a relatively cheap purification system for $12 million. The system will last 3 years. Do-It-Right sells a sturdier b more expensive system for $21 million; it will last for 6 years. Both systems entail \$2 million in operating costs; both will be depreciatec straight-line to a final value of zero over their useful lives; neither wil have any salvage value at the end of its life. The firm's tax rate is 30 and the discount rate is 15%. a. What is the equivalent annual cost of investing in the cheap system? Note: Do not round intermediate calculations. Enter your answer as a positive value. Enter your answer in millions rounded to 2 decimal places. b. What is the equivalent annual cost of investing in the more expensive system? Note: Do not round intermediate calculations. Enter your answer as a positive value. Enter your answer in millions rounded to 2 decimal places. c. Which system should Blooper install