solve pls

Blockbuster and Co have recently funded a project through stock (60%) and debt (40%). The WACC has been estimated to be 8.1%. The required rate of return on its shares is 12% and the marginal tax rate is 15%. Calculate the yield to maturity, rd, on the company's bonds. Show steps in the reasons box. Use our decimal points in your final answer (example: 0.0751)