A company's assets consist of $123,456 of cash, $237,543 of accounts receivable, $348,876 of inventory, and $1,456,987 of plant and equipment. Its liabilities consist of $187,694 of accounts payable, $56,895 of accruals, and $622,156 of long-term debt. The company's annual sales are $3,678,775, its earnings before interest and taxes are $551,816, its earnings before taxes are $489,601, and its net income is $293,760. What is the company's profit margin? 1) 7.5% 2) 8.0% 3) 6.6% 4) 9.1% 5) 5.8%