Please answer all and show steps.

For questions 17-20 use the following information: West Oil Company, LLC has three long term loans (interest bearing debt): Ioan #1 with a balance of $300,000 at 8% interest, loan #2 with a balance of $400,00 at 5% interest, and loan #3 with a balan $70,000 (non-interest bearing) and equity of $1,200,000. It estimates that its cost of equity is 1 190 Its tax rate is 34%. 0 ce of $100,000 at 10% interest. The company has accounts payable of 17. What is the company's after tax cost of each loan? 18. What is the company's weighted average after tax cost of debt? 9. What is the company's weighted average cost of capital on interest bearing debt and equity? What is the company's weighted average cost of capital on total invested capital (total assets)? Include non-interest bearing debt, interest bearing debt, and equity