how do you calculate the YTM ( yield to maturity) full working out

You have been tasked with the responsibility of calculating the WACC for Sonderson Financials Limited and Davis Producers Limited. The risk-free rate is currently 4% and the market risk premium is 6.5%. The details for both companies are presented in the table below. The tax rate is 25%. Sanderson Davis Producers Financials Limited Limited Value of Common $1,800,000 $2.800.000 Equity Beta 2.81 1.25 Value of Preferred $1.200.000 $1.000.000 Equity Preferred Dividends $5.40 $6.70 Price of Preferred Stock $80 $65 Price of Bonds $940 $1.060 1295 Coupon Rate (Paid bemi-annually Par Value of Bonds $1.000 $1.000 8 Years to Maturity Value of Debt $2.000.000 Use the information in the table abg to calculate WACC for both companiol (25 arka)