Assume a corporation provided the following excerpts from its balance sheet and income statement as shown below. Current assets Ending Balance $ 120,000 Total assets $ 480,000 Current liabilities. $ 80,000 Total liabilities. $ 174,600 Total stockholders' equity $ 305,400 Sales Beginning Balance $ 140,000 $ 380,000 $ 70,000 $174,000 $ 206,000 $ 1,000,000 Cost of goods sold Gross margin Selling and administrative expenses Net operating income Interest expense Net income before taxes Income taxes Net income 600,000 400,000 250,000 150,000 8,000 142,000 42,600 $ 99,400 In a common-size income statement, the percentage that would accompany selling and administrative expenses would be closest to: