Dena intends to invest $50,000 in either a Treasury bond or a corporate bond. The Treasury bond yields 5 percent before tax and the corporate bond yieids 6 percent before tax Required: a-1. Assuming Dana's federal marginal rate is 24 percent and her marginal state rate is 5 percent, which of the two options should she choose? Assume that Dana itemizes deductions a-2. How much interest after-tax would Dana earn by investing in the corporate bond? Note: Do not round intermediate calculations and round your final answer to the nearest whole dollar amount. b-1, If she were to move to another state where her marginal state rate would be to percent, which of the two options should she choose? Assume that Dana itemizes deductions b-2. How much interest after-tax would Dano eorn by invosting in the corporate bond as per requirement b-1? Note: Do not round intermediate calculations and round your final answer to the nearest whole dollar amount. Complete this question by entering your answers in the tabs below. Assuming Dana's federal marginal rate is 24 percent and her marginal state rate is 5 percent, which of the two options should she choose? Assume that Dana itemizes deductions