Tarrasa Mining Corporation has 11.2 million shares of common stock outstanding and 205,000 5.9% semiannual bonds outstanding, par value $1,000 each. The common stock currently sells for $37 per share and has a beta of 0.8. The bonds have 12 years to maturity and sell for 91% of par. The market risk premium is 5.5%, T-bills are yielding 4%, and Tarrasa Mining's tax rate is 30%.

What is the firm's market value weight of equity? (Report answer in percentage terms and round to 2 decimal places. Do not round intermediate calculations). 68.96

What is the firm's market value weight of debt? (Report answer in percentage terms and round to 2 decimal places. Do not round intermediate calculations). 31.04

What is the firms cost of equity? (Report answer in percentage terms and round to 2 decimal places. Do not round intermediate calculations). 8.40

What is the firms cost of debt? (Report answer in percentage terms and round to 2 decimal places. Do not round intermediate calculations). 7.02

If Tarrasa Mining is evaluating a new investment project that has the same risk as the firm's typical project, what rate should the firm use to discount the project's cash flows? (Report answer in percentage terms and round to 2 decimal places. Do not round intermediate calculations. When using previous answers, use the rounded answer as it was given in the answer box).

I already finished four questions, but dont know the last one. thank you so much!