Can someone help me with this problem, I have some formulas but I'm very confused, please solve manually showing steps and not excel (:

2. Determining the value of a Common Stock a. Wal-Mart paid $2.16 in dividends during the past 12 months. Assume WMT's Return on equity is 24% with a retention ratio of 60%. If the required return on WMT stock is 5.1%, using the constant growth model for stock valuation, what should be the current selling price of WMT stock? | b. What is the actual price of WMT's stock right now (look it up)? Based on your calculation, is WMT an attractive, or unattractive, stock to purchase? C. Assume WMT's current stock price is $120 (it isn't), WMT paid a dividend of $2.16 last year, and it is assumed WMT's dividend and stock price will grow at a constant 9%. What is the rate of return an investor would make by purchasing WMT stock