What would be the marginal tax rate for a married couple with income of $90,100?

b. What would be the average tax rate for a married couple with income of $90,100?

c. What would be the marginal tax rate for an unmarried taxpayer with income of $90,100?

d. What would be the average tax rate for an unmarried taxpayer with income of $90,100?

TABLE 3.6 Personal tax rates, 2018 Tax Rate (%) Single Taxpayers $0-$9,525 $9,526-$38,700 $38,701-$82,500 $82,501-$157,500 $157,50 1-$200,000 $200,001-$500,000 $500,001 and above Taxable income ($) Married Taxpayers Filing Joint Returns $0-$19,050 $19,051-$77,400 $77,401-$165,000 $165,00 1-$315,000 $315,001-$400,000 $400,001-$600,000 $600,001 and above