27. The debt equity ratio of PPP Corp. is 1:3. The current market value of the shares of the company is $129 billion. The beta of the company is 1.2 . The borrowing rate of the company is 5%. The risk-free rate is 4%. Assuming the expected return of the market is 10%. The corporate tax rate is 35%. The expected free cash flow for the end of the period is expected to be $6 billion. What is the weighted average cost of capital? What is the expected growth rate of free cash flows