i need help with setting up the formulas to answer this question...

Bad Boys, Inc. is evaluating its cost of capital. Under consultation, Bad Boys, Inc. expects to issue new debt (bond) at par (1000) with a coupon rate of 8%, 15 years time to maturity and currently selling at 955 dollars. Bad boys also plan to issue a new preferred stock with a $2.50 per share dividend at $25 a share. The common stock of Bad Boys, Inc. is currently selling for $20.00 a share. Bad Boys, Inc. expects to pay a dividend of $1.50 per share next year. An equity analyst foresees a growth in dividends at a rate of 5% per year. Bad Boys, Inc. marginal tax rate is 35%. If Bad Boys, Inc. raises capital using 45% debt, 5% preferred stock, and 50% common stock, what is Bad Boys cost of capital?