How do I find the cost of capital?

I For the following information to help you find the cost of capital Please: $ 2000 to pay debt interest of $ 25,000 and the market Value of preferred stock dividends, paid $ 800 and $ 5,000 of common stock Market share is worth $ 6 DPS (or dividends) and market value pay (Or about $ 100) a share and the growth rate of its total assets $ 100,000 sales tax rate is 3% of 30%

# Shares issued and outstanding know Should type

Raw Milk 32 Symposium at U of Toronto Ontario Canada Jan 31 2009