Refer to the $2023$ individual rate schedules in Appendix C$.$

Required:

What are the tax liability, the marginal tax rate, and the average tax rate for a married couple filing jointly with $$66,900$ taxable income?

What are the tax liability, the marginal tax rate, and the average tax rate for a single individual with $$192,300$ taxable income?

What are the tax liability, the marginal tax rate, and the average tax rate for a head of household with $$461,300$ taxable income?