Average corporate tax rates Using the corporate tax rate schedule given here, perform the following: a. Calculate the tax liability, after-tax earnings, and average tax rates for the following levels of corporate earnings before taxes: $7,800; $80,700; $297,000; $497,000; $1.6 million; $9.7 million; and $19.5 million. 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 concerning the relationship between these variables? a. Find the marginal tax rate for the following levels of corporate earnings before taxes: $7,800; $80,700; $297,000; $497,000; $1,600,000; $9.7 million; and $19.5 million. The tax liability for earnings before taxes of $7,800 is $. (Round to the nearest dollar.) 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 Range of taxable income Tax calculation (Marginal rate x amount over ba Base tax + $0 to $50,000 50,000 to 75,000 75,000 to 100,000 100,000 to 335,000 335,000 to 10,000,000 10,000,000 to 15,000,000 to Over 18,333,333 15,000,000 18,333,333 $0 + (15% 7,500 + (25% 13,750 + (34% 22,250 + (39% 113,900 +(34% 3,400,000 + (35% 5,150,000 + (38% 6,416,667 + (35% x amount over x amount over x amount over x amount over x amount over x amount over x amount over x amount over