Can somebody please help me with the following problem.

Please show me the process using formulas or Calculator

Silver Stores uses common stock equity and long-term bond in financing its assets. The market values of its equity and bond are respectively $600 million and $400 million. On the other hand, the book values of its equity and bond are respectively $350 million and $450 million. Silver's tax rate is 30%. The company's beta is 1.5. The risk-free rate is2%while the market return is8%. What is Silver's capital structure? What is Silver's before-tax cost of debt if the bond has a maturity of 20 years, and annual coupon rate of7%and pays semiannual coupon payments? Assume Silver can sell the bond to the public at $1, 070 per bond but must pay $30 flotation cost per bond. What is Silver's cost of equity? What is Silver's weighted average cost capital