3. Star's marginal tax rate is 28% and discount rate is 6%. What is Star's present value, after-tax cost if she pays $550,000 for an asset at the beginning of the year and if the cost is amortizable over 2 tax years? Star receives the tax savings from amortization deductions at the end of each tax year. a. ($550,000) c. ($413,000) b. ($396,000) d. ($409,000)