These are finance problems, please show me calculation step

QUESTION 1 Ultimately, a firm's cost of capital is determined by: (select the best answer) a. What investments a company makes b. Its sources of capital c. What the board of directors of the company decides it should be d. Its cost of debt and equity capital QUESTION 2 A company has target values of debt, preferred and common of $23MM, $16MM and $85MM. It has book values of debt, preferred and common of $66MM, $7MM and $18MM. It also has liquidation values of debt, preferred and common of $38MM, $19MM and $6MM. What weights should it use for purposes of estimating WACC? a. Debt 18.6%; Preferred 12.9%; Common 68.5% b. Debt 72.5%; Preferred 7.7%; Common 19.8% c. Debt 60.3%; Preferred 30.2%; Common 9.5% d. Debt 23.4%; Preferred 46.2%; Common 31.4% QUESTION 3 As a company changes its target capital structure to include a greater percentage of common equity, its WACC will: a. Increase b. Remain unchanged c. Decrease d. Cannot say QUESTION 4 Quantix Corp has shares with a beta of 1.3. The risk free rate is 3% and the expected market return is 9%. Its tax rate is 30%. The company's shares currently trade for $45 a share. What is the company's estimated cost of retained earnings? a. 10.8% b. 7.56% c. 14.7% d. 9.00% QUESTION 5 A company has target weights of debt, preferred and common equity of 20%, 10% and 70%, respectively. It has liquidation values of debt, preferred and common equity of 30%, 15% and 55%. Its book values of debt, preferred and common equity are 40%, 10% and 50%. The estimated costs, net of adjustments, to the issuer are 5%, 9% and 12% for debt, preferred and common equity. Estimate the firm's weighted average cost of capital. QUESTION 6 Deltona issued preferred shares four years ago at $60 per share, with a promised dividend of $5 per share. The company's tax rate is 35%, and its common stock beta is 0.80. Yields on comparable risk preferred stocks are 11%. The floatation expense percentage is 10. What is the cost to Deltona to issue preferred shares under current market conditions? Express your answer as a percentage, and round to two decimal points. QUESTION 7 Yield to maturity (YTM) on debt issues with risk comparable to the Sonar Company is currently 10.6%. Sonar has issued debt two years ago with a YTM of 8.00%. Sonar's common stock beta is 1.15, and its tax rate is 28. The appropriate rate for Sonar to use for debt in estimating its WACC is what rate? Show your answer as a percentage, rounded to two decimal places. QUESTION 8 Which financing will result in an issuer cost being less that the return being earned by the investor? a. Debt b. Common stock c. Retained earnings d. Preferred stock QUESTION 9 The formula Do(1+g)/{P(1-f)} + g can be used to estimate the required return to the issuing company on which security? a. Perferred stock b. common stock c. Retained earnings d. All the above QUESTION 10 A company expects to earn $20 million in income this coming year. Its target capital structure is 30% debt, 15% preferred stock, and 55% common equity financing. The company normally pays a dividend equal to 27% of its earnings. At what point will its WACC move from one level to the next, based upon the need to issue new common shares, assuming it adheres to its target capital structure? At what total capital investment level? Show your answer in millions of dollars with one decimal point ($34,000,000 you would record as 34.0)