5. When evaluating project cash flows in a financial decision, A) taxes can generally be ignored since they are a noncash expense B) the financial manager should compute and use the marginal tax rate C) the marginal tax rate and average tax rate are of equal importance D) the financial manager should use the tax rate that is equal to the total taxility divided by total taxable income E) taxes are irrelevant unless income for the firm is greater than zero 6. Assume an investor-owned (for-profit) hospital must offer a 12% interest rate on its new bonds. John Smith, an individual investor with a 25% tax rate, buys one $1,000 bond. What is the effective (after-tax) annual interest? 7. Assume a not-for profit hospital can issue similar-risk tax-free bonds with an 10% interest rate. Which bond should John buy? 8. At what tax rate would John be indifferent between the two bonds