(I provided both parts of the question so as to not leave anything out, please help me with b-1 and b-2.)

Dana intends to invest $30,000 in either a Treasury bond or a corporate bond. The Treasury bond yields 5 percent before tax and the corporate bond yields 6 percent before tax.

a-1. Assuming Danas 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.

• Corporate bond

• Treasury bond

a-2. How much interest after-tax would Dana earn by investing in the corporate bond? (Do not round intermediate calculations and round your final answer to the nearest whole dollar amount.)

Interest After-tax: $1300

b-1. If she were to move to another state where her marginal state rate would be 10 percent, which of the two options should she choose? Assume that Dana itemizes deductions.

• Corporate bond

• Treasury bond

b-2. How much interest after-tax would Dana earn by investing in the corporate bond as per requirement b-1? (Do not round intermediate calculations and round your final answer to the nearest whole dollar amount.)