Given is the Income Statement for the year ended December 31, 20XX, Statement of Retained Earnings for the year ended December 31,20X and Comparative Balance Sheets for 20XX and 20XW of Maris Corporation: If the market value of a share of common stock is 2.5 times book value for 20XX, what is the firm's P/E ratio for 20XX ? (Do not round intermediate calculations. Round the final answer to the nearest whole number.) P/Eratiotimes