please help with 36 and 37.

36. Campbell, a single taxpayer, earns $400,000 in taxable income and $2,000 in interest from an investment in $tate of New York bonds. Using the U.S. tax rate schedule (see (3) 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? 37. Using the facts in (9) problem 36, if Campbell earns an additional $15,000 of taxable income, what is her marginal tax rate on this income? What is het marginal rate if, instead, she had $15,000 of additional deductions? Individuals Schedule Y.1-Married Filing Jointly or Qualifying Widow(er) 36. Campbell, a single taxpayer, earns $400,000 in taxable income and $2,000 in interest from an investment in $tate of New York bonds. Using the U.S. tax rate schedule (see (3) 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? 37. Using the facts in (9) problem 36, if Campbell earns an additional $15,000 of taxable income, what is her marginal tax rate on this income? What is het marginal rate if, instead, she had $15,000 of additional deductions? Individuals Schedule Y.1-Married Filing Jointly or Qualifying Widow(er)