Average corporate tax rates Using the corporate tax rate schedule given here ( perform the following a. Calculate the tax liability, after-tax eamings, and average tax rates for the following levels of corporate earnings before taxes: $8,200, $80.300; $304,000 $497,000: $1.3 million: $9.1 milion; and b. Plot the average tax rates (measured on the y axis) against the pretax income levels (measured on the x axis). What generalization can be made conceming the relationship between $19.7 million these variables? a. Find the marginal tax rate for the following levels of corporate earnings before taxes: $8,200 $80,300; $304,000; $497,000: $1,300,000, $0.1 million; and $19.7 milion More info (Click on the icon here in order to copy the contents of the data table below into a spreadsheet.) Corporate Tax Rate Schedule Tax calculation Range of taxable income Base tax (Marginal ratex amount over base bracket) $0 to $50,000 50 (15% x amount over $0) 50,000 to 75,000 75,000 to 100,000 100,000 to 335,000 335,000 to 10,000,000 to 15,000,000 to Over 18,333,333 10,000,000 15,000,000 18,333,333 7,500 13,750 22,250 + (39% 113,900 (34% 3,400,000 + (35%) 5,150,000 + (38% (25% (34% x amount over 50,000) x amount over 75,000) x amount over 100,000) x amount over 335,000) x amount over 10,000,000) x amount over 15,000,000) 6,416,667 + (35% x amount over 18,333,333) - X