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Chuck, a single taxpayer, earns $83,800 in taxable income and $15,300 in interest from an investment in City of Heflin bonds. (Use the U.S tax rate schedule) Required: a. How much federal tax will he owe? b. What is his average tax rate? c. What is his effective tax rate? d. What is his current marginal tax rate? Complete this question by entering your answers in the tabs below. How much federal tax will he owe? Note: Do not round intermediate calculations. Round "Federal tax" to nearest whole dollar amount. Required: a. How much federal tax will he owe? b. What is his average tax rate? c. What is his effective tax rate? d. What is his current marginal tax rate? Complete this question by entering your answers in the tabs below. What is his average tax rate? Note: Do not round intermediate calculations. Round total tax to nearest whole dollar amount. a. How much federal tax will he owe? b. What is his average tax rate? c. What is his effective tax rate? d. What is his current marginal tax rate? Complete this question by entering your answers in the tabs below. What is his effective tax rate? Note: Do not round intermediate calculations. Round total tax to nearest whole dollar amount. c. What is his effective tax rate? d. What is his current marginal tax rate? Complete this question by entering your answers in the tabs below. What is his current marginal tax rate