You are currently thinking about investing in ABC Inc. Shares are currently selling for $610 each. The most recent dividend was $4.50. The best growth forecasts you can find estimate the dividend will grow by 10% in each of the next 2 years, 15% in the third year, and 20% in the fourth year. After that, analysts believe the growth rate will settle on a constant growth rate of 4%. The risk free rate is 5%, the return on the market is 10% and the stock has a beta of 0.3. What do you estimate the value of the stock is today? Given your estimate, would you buy the stock today? (I need to know what formulas to use and how to calculate for all)