supplies, of S10.000. The firm's marginal tax rate is 35%, and the discount rate is 8%. Should Kinky buy the machine? (LO2) 24. Project Evaluation. Blooper Industries must replace its magnoosium purification system. Quick & Dirty Systems sells a relatively cheap purification system for $10 million. The system will last 5 years. Do-It-Right sells a sturdier but more expensive system for $12 million; it will last for 8 years. Both systems entail S1 million in operating costs; both will be depreciated straight line to a final value of zero over their useful lives neither will have any salvage value at the end of its life. The firm's tax rate is 358, and the discount rate is 12%. Which system should Blooper install? (Hint: Check the discussion of equivalent annual annuities in the previous cherwon