Answer;
1. Chuck's federal taxes
The interest from the Helfin bond is tax free as municipal bonds are free of federal taxes.
Chuck's taxable income is therefore $58,500.
The tax bracket for 2020 will mean his tax is;
= 4,617.50 + 22 % *( 58,500 - 40,125)
= $8,660
2. Average Tax Rate
= Total tax/ taxable income
= 8,660/58,500
= 14.8%
3. Effective Tax Rate
= Total tax / ( total income)
= 8,660 / ( 58,500 + 20,800)
= 10.9%
4. As given by his income level and the bracket in which he falls as a result, Chucks's marginal tax rate is 22%.