A companys stock is trading for $15/share. It earned $2.00 per share this year and paid out $0.40 in dividends. Its cost of capital is 9.00% and it is expected to grow at 4.00% in perpetuity. All of the ratios below can be derived from the simple Gordan Dividend Growth model.

If the company's sales are $10/share what is its justified P/S ratio?