Use the appropriate information from the data provided below to calculate operating income for the year ended December 31, 2018.

Cost of goods sold	$234,000
General and administrative expenses	96,000
Net cash provided by financing activities	138,000
Dividends paid	32,000
Income tax expense	22,000
Selling expenses	52,000
Net sales	556,000
Advertising expense	78,000
Accounts payable	66,000