The balance sheet and income statement shown below, or for a Koski Inc. Note that the firm has no amortization charges, it does not leave any assets, none of it's that must be retired for the next five years, and the notes people will be rolled over.

Balance Sheet (Millions of \$) 2021 Assets Cash and securities Accounts receivable Inventories Total current assets Net plant and equipment Total assets $4,20017,50020,300$42,00028,000$70,000 Liabilities and Equity Accounts payable Accruals Notes payable Total current liabilities Long-term bonds Total liabilities Common stock Retained earnings Total common equity Total liabilities and equity $27,53112,3695,000$44,9009,000$53,9003,86412,236$16,100$70,000 What is the firm's P/E ratio? Do not round your intermediate calculations. a. 9.52 b. 11.20 c. 7.14 d. 7.12