Fahy Foods has net income of $$39,900,$ net sales of $$318,600,$ total assets of $$663,000,$ common stock of $$106,800$ with a par value of $$1$ per share, and retained earnings of $$224,400.$ The stock has a market value of $$5\mathrm{.}45$ per share. What is the price$-$earnings ratio?