Refer to the corporate rate schedule in Appendix C.

a. What are the tax liability, the marginal tax rate, and the average tax rate for a corporation with $22,500 taxable income?

b. What are the tax liability, the marginal tax rate, and the average tax rate for a corporation with $150,500 taxable income? (Round "Average tax rate" to 2 decimal places.)

c. What are the tax liability, the marginal tax rate, and the average tax rate for a corporation with $17,500,000 taxable income? (Round "Average tax rate" to 2 decimal places.)

d. What are the tax liability, the marginal tax, rate, and the average tax rate for a corporation with $50,500,000 taxable income?