To follow is selected information about the Zebulon Mattress Company for the current year and prior year, Account Current Prior Net sales revenue $648,000 $595,000 Cost of goods sold $414,720 $425,000 Gross profit $233 280 $170,000 Selling genarai penses $149,040 $93,500 Not Income before tax $84 240 $76,500 Income tax $25.920 $22,800 Net income $58,320 $53,700 What is the current year's calling and general expenses percentage (as would be found on a vertical analysis of the income statement for the current year O A9% OB. 63.60% OC 23% OD 504%