Eastern Digital has 300,000 shares outstanding which sell for $10 per share. The extra risk associated with this stock suggests that the investor should get a return 5% greater than that being paid on its bonds. The company has 10,000 10year bonds outstanding. The bonds have a coupon rate of 8% (coupons paid semiannually), a face value of $1,000 and currently sell for $1,100. The marginal tax rate for this company is 30%. What is this companys WACC?

I know that N=20 PV=-1,100 and FV=1,000; but that is it. Someone please help explain this to me!