Palmer/Davis Designs customized mobile phone covers. The company's controller prepared the following income statement for the upcoming monthly management mobile meeting. Sales revenue $176,212 Cost of goods sold $61,652 Variable selling expenses 10,682 2,855 Variable general and administrative expenses 75,189 Total variable expenses Contribution margin 101,023 Fixed selling expenses 18,024 31,315 Fixed general and administrative expenses 49,339 Total fixed expenses $51,684 Operating income