Company A's WACC equals the required rate of return of Company B's stock. The required rate of return for A's debt is 4.7%. The covariance between Company B stock returns and the market portfolio's returns is 0.68, and the standard deviation of the market portfolio's returns is 0.76. The risk-free interest rate is 2%, and the expected return on the market portfolio is 10%. Company A's tax rate is 30%. The book values of A's debt and equity are $800 million and $200 million respectively. The market value of A's debt takes 60% of the total market value of A company.

Assume a term of 1-6 years: Company A's forecasted sales are 500000 at the end of the first year, and the number which can be sold is expected to grow at an annual rate of 8%.The selling price at the end of the first year is $800, and the selling price is expected to grow at an annual rate of 9%. Suppose the production cost is $100 million at the end of the first year, and is growing at 4% each year. Suppose the company's maintenance expense is $200 million at the end of the first year, and is growing at 9% each year. At the end of year 7, the net income is $490 million. A company is expected to pay 10% of its net income as dividend to its share holders during year 1-6. Since year 7 until forever, the payout ratio is 55% and ROE is constant at 20%.

What is the required rate of return for A company under the CAPM model? What is the price of A company's stock when there are 4 million shares outstanding in the current market?