Selling, general, and administrative expenses were $68,000, net sales were $309,000; interest expense was $7,300; research and development expenses were $32,300; net cash provided by operating activities was $81,200; income tax expense was $7,800; cost of goods sold was $169,400. Required: a. Calculate operating income for the period. Net sales Cost of goods sold Gross profit Operating expenses. Research and development expenses Selling, general and administrative expenses Operating income $ $ 309,000 169,400 139,600 32,300 68,000 39,300

Selling, general, and administrative expenses were $68,000, net sales were $309,000; interest expense was $7,300, research and development expenses were $32,300; net cash provided by operating actlvities was $81,200; Income tax expense was $7,800; cost of goods sold was $169,400. Required: o. Calculate operating income for the period. b. Calculate net income for the period