Ch Chuck, a single taxpayer, earns $86,000 in taxable income and $24,750 in interest from an investment in City of Heflin bonds. (Use the U.S. taxrate schedule) Required: a. If Chuck earns an additional $41,000 of taxable income, what is his marginal tax rate on this income? b. What is his marginal rate if, instead, he had $41000 of additional deductions? (For all requirements, do not round intermediate calculations. Round your answers to 2 decimal places.) a Marginal tax rate b Marginal tax rate Scot and Vidia, married taxpayers, earn $266,000 in taxable income and $8.900 in interest from an investment in City of Tampa bonds. Using the U.S. tax rate schedule for married filing jointly, how much federal tax will they owe? What is their average tax rate? What is their effective tax rate? What is their current marginal tax rate? (Do not round intermediate calculetions. Round "Average tox rate-&-Effective tax rate" to 2 decimal places) Federal tax Average tax rate Effective tax rate Marginal tax rate