Campbell, a single taxpayer, earns $400,000 in taxable income and $2,000 in interest from aninvestment in State of New York bonds. (Use the U.S. tax rate schedule.)(Do not round intermediatecalculations.Round "Federal tax" to 2 decimalplaces.)a.How much federal tax will she owe?
b.What is her average tax rate?
c.What is her effective tax rate?
d.What is her current marginal tax rate?