_{Chuck, a single taxpayer, earns $49,500 in taxable income and $15,400 in interest from an investment in City of Heflin bonds. (Use U.S tax rate schedule)}

_Required

_{a. How much federal tax will he owe?}

_{b. What is the average tax rate?}

_{c. What is the effective tax rate?}

_{What is his current marginal tax rate?}