Using the individual tax rate schedule , perform the following: a. Calculate the tax liability, after-tax eamings, and average tax fates for the following levels of partnership eamings before taxes: $12,800;$78,500;$297.000;$496,000;$1.2 million: $1.4 millon; and $2.2 milion. 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. Calculate the tax liability, atter-tax earrings, and average tax fates for the following levels of partnership earnings before taxes: $12,800;$78,500;$297,000;$496,000;$1.2 million; $1.4 milion, and $2.2 milion. (Round dollars to the nearest cent and round percentages to one decimal place.) Data table