Suppose that in addition to $5.50 million of taxable income, Texas Taco, Incorporated, received $500,000 of interest on state-issued ponds and $250,000 of dividends on common stock it owns in Arizona Taco, Incorporated. (Use corporate tax rate of 21 percent for your calculations.) a. Calculate Texas Taco's income tax liability. Note: Enter your answer in dollars not in millions. b. What are Texas Taco's average and marginal tax rates on taxable income? Note: Round your answers to 2 decimal places