36. Campbell, a single taxpayer, earns $400,000 in taxable income and $2,000 in inter- est from an investment in State of New York bonds. Using the U.S. tax rate schedule (see Appendix C), how much federal tax will she owe? What is her average tax rate? What is her effective tax rate? What is her current marginal tax rate? Individuals 2021 Tax Rate Schedule X-Single If taxable income is over: But not over: The tax is: $ 0 $ 9,950 10% of taxable income $ 9,950 $ 40,525 $995 plus 12% of the excess over $9,950 $ 40,525 $ 86,375 $4,664 plus 22% of the excess over $40,525 $ 86,375 $164,925 $14,751 plus 24% of the excess over $86,375 $164,925 $209,425 $33,603 plus 32% of the excess over $164,925 $209,425 $523,600 $47,843 plus 35% of the excess over $209,425 $157,804.25 plus 37% of the excess over $523,600 $523,600 Schedule Y-1-Married Filing Jointly Ar Qualifying Widow(er)