Using the facts in problem 37, if Campbell earns an additional $15,000 of taxable income, what is her marginal tax rate on this income? What is her m
Using the facts in problem 37, if Campbell earns an additional $15,000 of taxable income, what is her marginal tax rate on this income? What is her marginal rate if, instead, she had $15,000 of additional deductions?
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