Scot and Vidio, married taxpayers, earn $256,600 in taxable income and $5,000 in interest from an investment in Chy of Tampa bonds. (Use the U.S. tax rate schedule for married filing jointly). Required: a. If Scot and Vidia eam an additional $95,900 of taxable income, what is their marginal tax rate on this income? b. What is their marginal tax rate it instead, they report an additlonal $95,900 in deductions? (For all requirements, do not round intermediate calculations. Round your answers to 2 decimal places.) a 156 Marginal tax rate Marginal tax rate b. 96