Please answer this question and fully break it down to someone who is a complete finance novice (no prior finance knowledge). Please provide all formulas necessary and the breakdown of how they are used. Thank you!!!

Bolster Foods' (BF) balance sheet shows a total of $25 million long-term debt with a coupon rate of 8.50%. The yield to maturity on this debt is 8.00%, and the debt has a total current market value of $27 million. The balance sheet also shows that the company has 10 million shares of stock, and the stock has a book value per share of $5.00. The current stock price is $20.00 per share, and stockholders' required rate of return, r_s, is 12.00%. The company recently decided that its target capital structure should have 35% debt, with the balance being common equity. The tax rate is 40%. Calculate WACCs based on book, market, and target capital structures, and then find the sum of these three WACCs.