Chuck, a single taxpayer, earns $77,100 in taxable income and $12,400 in interest from an investment in City of Heflin bonds. (Use the U.S tax rate schedule.)

If taxable income is over:	But not over:	The tax is:
$ 0	$ 9,950	10% of taxable income
$ 9,950	$ 40,525	$995 plus 12% of the excess over $9,950
$ 40,525	$ 86,375	$4,664 plus 22% of the excess over $40,525
$ 86,375	$ 164,925	$14,751 plus 24% of the excess over $86,375
$ 164,925	$ 209,425	$33,603 plus 32% of the excess over $164,925
$ 209,425	$ 523,600	$47,843 plus 35% of the excess over $209,425
$ 523,600		$157,804.25 plus 37% of the excess over $523,600

Required:

How much federal tax will he owe?

What is his average tax rate?

What is his effective tax rate?

What is his current marginal tax rate?