Scot and Vidia, married taxpayers, earn $278,000 in taxable income and $10,700 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? Note: Do not round intermediate calculations. Round "Average tax rate" & "Effective tax rate" to 2 decimal places. Federal tax Average tax rate % Effective tax rate % Marginal tax rate % Schedule Y-1-Married Filing Jointly or Qualifying Widow(er) If taxable income is over: But not over: $ 0 $ 20,550 $ 83,550 $178,150 $340,100 $ 431,900 $647,850 $ 20,550 $ 83,550 $ 178,150 $340,100 $ 431,900 $ 647,850 - The tax is: 10% of taxable income $2,055 plus 12% of the excess over $20,550 $9,615 plus 22% of the excess over $83,550 $30,427 plus 24% of the excess over $178,150 $69,295 plus 32% of the excess over $340,100 $98,671 plus 35% of the excess over $431,900 $174,253.50 plus 37% of the excess over $647,850