Determine the 1) marginal tax rate; 2) total taxes; and 3) effective tax rate for the following taxable incomes:

a) $13,000,872 taxable income

b) $85,400 ordinary taxable income, plus salvage of $25,000 for equipment with book value of $9,500.

c) $85,400 ordinary taxable income, plus salvage of $9,500 on equipment with book value of $25,000, plus salvage of $40,000 on machines with book value of $20,000

There is no tax schedule. that's all for the problem.