can you go over the questions and provide details of calculation step by step.

Assets Current assets Long-term investments PP&E Other assets Total assets Liabilities and equity: 13,500 Short-term debt 3,135 Long-term debt 30.900 Other liabilities 112,465 Preferred stock Common equity 160,000 Total liabilities and equity 17,400 45,000 42.600 10,000 45,000 160,000 Debt: The interest cost for short-term debt is 4%. For long-term debt, the company has only one semiannual coupon bond outstanding. The coupon rate is 7%; time to maturity is 20 years, and current bond price is 110% of face value. Corporate tax rate is 21%. Preferred stocks: 1 million shares; dividend $6 per share with market price of $100. Common stocks: 3 million shares outstanding, stock price $50 per share; beta is 0.8; T-bond rate is 3%; the S&P 500 return is 15%. The company finances all of its projects with long-term debt, preferred stocks and common stocks. 1. Estimate before-tax cost of debt (%) 2. Estimate cost of preferred stocks (%) 3. Estimate cost of common stocks (%) 4. Estimate cost of capital (%) using market value weights 5. Estimate cost of capital (%) using book value weights 6. Name two applications of cost of capital