Based on the corporate valuation model, Belle Suites Inc.'s value of operations is $400 million. Its balance sheet shows $20 million of short-term investments that are unrelated to operations, $50 million of accounts payable, $90 million of notes payable, $30 million of long-term debt, $40 million in preferred stock, $100 million of common equity. If the number of shares outstanding is 10 million, what is the value of market equity and your best estimate for the firm's stock price per share?