3. Problem 12.03 (After-Tax Salvage Value) eBook Karsted Air Services is now in the final year of a project. The equipment originally cost $21 million, of which 100% has been depreciated. Karsted can sell the used equipment today for $8 million, and its tax rate is 30%. What is the equipment's after-tax salvage value? Write out your answer completely. For example, 13 million should be entered as 13,000,000. Round your answer to the nearest dollar. 4. Problem 12.04 (Replacement Analysis) eBook The Oviedo Company is considering the purchase of a new machine to replace an obsolete one. The machine being used for the operation has a book value and a market value of zero. However, the machine is in good working order and will last at least another 10 years. The proposed replacement machine will perform the operation so much more efficiently that Oviedo's engineers estimate that it will produce after-tax cash flows (labor savings) of $9,000 per year. The after-tax cost of the new machine is $35,000, and its economic life is estimated to be 10 years. It has zero salvage value. The firm's WACC is 10%, and its marginal tax rate is 25%. Should Oviedo buy the new machine? Oviedo -Select purchase the new machine