Susan is a financial manager at Rvetz Corp. She wants to evaluate the efficiency with the company is using its resources. For this reason she needs to calculate the operating margin from the information below Net Sales 3,500,000 Cost of goods sold 1,750,000 Office Rent 54,500 Selling expenses 350,000 Interest expense Other operating expenses 88,500 Which of he following will be result 95.9% 35.99 % 38.4% 64.1%