The balance sheets at the end of each of the first two years of operations indicate the following: 2006 2005 Total current assets $600,000 $560,000 Total investments 60,000 40,000 Total property, plant, and equipment 900,000 700,000 Total current liabilities 150,000 80,000 Total long-term liabilities 350,000 250,000 Preferred 9% stock, $100 par 100,000 100,000 Common stock, $10 par 600,000 600,000 Paid-in capital in excess of par-common stock 60,000 60,000 Retained earnings 325,000 210,000 If net income is $115,000 and interest expense is $30,000 for 2006, and the market price is $30, What is the price-earnings ratio on common stock for 2006. (round to one decimal point)?