Ozols Corporation's most recent income statement appears below: Sales (all on account) 643,000.00 Cost of goods sold 285,000.00 Gross margin 358,000.00 Selling and administrative expense 155,000.00 Net operating income 203,000.00 Interest expense 34,000.00 Net income before taxes 169,000.00 Income taxes Net income 50,000.00 119,000.00 The gross margin percentage is closest to: 55.7% 300.8% 33.2% 125.6%