Problem 3-25 Tax Rates(L03) What would be the marginal and average tax rates for a married coupie with taxable income of $90,000? For an unmarried taxpayer with lhe sarne iricume? Use at e ] (Do not round intermediate calculations. Enter the marginal tax rate as a percent rounded to 1 decimal place. Enter the average tax rato as a percent rounded to 1 dacimal placa.) . What would be the marginal tax rate tor a manied couple wh income ot $90000? 160 % b. What would be the average tax rate tor a maried couple with income o S9000 25.00 % c. What would be the marginal tax rate tor an unmamied taxpayer with income ot socoU? 300% d. What wouldl be the average tax rate tor an unmamed taxpayer with Income ot $o0o0 28 00%