Looking for help on my Finance homework

Finance 325 Introduction to Financial Management Instructor: Yinfei Chen Spring 2015 Assignment 3 (due at the beginning of class on April, 8th): Remember: you will be expected to show your all work. (15 points for each question) 1. You held 500 shares of 3M common stock. The company's share price was $52.81 at the beginning of the year. During the year, the company paid a dividend of $2.56 per share, and ended the year at a price of $58.12. What is the dollar return, the percentage return, the capital gains yield, and the dividend yield for your investment in 3M? 2. Using the following returns, calculate the average return, the variance, the standard deviation, and the coefficient of variation for Jones stock. Year Jones 1 7% 2 14% 3 - 3% 3. At the beginning of the year you owned $3,000 of Dollenz stock, $11,000 of Torkelson stock, and $6,000 of Nesmith stock. During the year the three company's returns were -7.6 (note that it's negative!) percent, 21.4 percent, and 14.8 percent respectively. What is your portfolio return? 4. The balance sheet for Stratton Co. shows $400,000 in common equity, $100,000 in preferred stock, and $500,000 in long-term debt. The company has 20,000 common shares outstanding at a market price of $65 per share. The firm's 4,000 shares of preferred stock are currently priced at $50 per share. The firm has 500 bonds outstanding selling at par value ($1,000). The company's before-tax cost of debt is 6%. The cost of preferred stock is estimated to be 7%. We expect the market portfolio to earn 7% and the T-bill yields are 3%. The Beta of the firm is 1.75. If the firm's marginal tax rate is 40%, what is the firm's weighted average cost of capital (WACC)