A taxpayer in the 22 percent marginal tax bracket, who makes a $500 tax-deductible contribution to a qualified retirement plan at work reduces their federal income tax liability by O a. $125 b. $390 O c. $500 O d. $110

A taxpayer in the 22 percent marginal tax bracket, who makes a $500 tax-deductible contribution to a qualified retirement plan at work reduces their federal income tax liability by a. $125 b. $390 c. $500 d. $110