A firm has an opportunity cost of equity of 15%, and cost of long term debt before tax is 10%, tax rate 40%. And the firm will have perpetuity cash flow of 120 per year.

Given the market value of equity and debt (in corresponding) are 1200 and 350. and book values of equity and debt (in corresponding) are 600 and 350.

Question: What is the WACC of the company?

What is the value of the firm's equity estimated from cash flows to the firm?

I got 12.96% for first one and 606 for second one. I think Ive made some mistake. Can someone help me out?