40. A common size income statement analysis would show what figure for the following company:

	2016	2015
Net sales	$668,450	$641,712
Cost of goods sold	$200,000	$224,000
Gross margin	$468,450	$417,712
Selling/administrative costs	$120,000	$125,000
Operating income	$348,450	$292,712
Income tax expense	$66,206	$55,615
Net income	$282,244	$237,097

		The percent change in net income is 19%
		2016 operating income (as a percent of net sales) is 52.1%
		The change in gross margin is $50,738
		The 2016 change in operating income is $55,738