I need a detailed answer with each steps solved. tysm.

Problem 1. (20 points) Define a preferred stock and compare it to an ordinary share. Give a real life example. Problem 2. (20 points) Firm A is expected to pay a dividend of $2.00 at the end of the year. The required rate of return is 10%. Other things held constant, what would the stock's price be if the growth rate was 5%? What if g was 0%? Problem 3. (20 points) XYZ Company's current stock price is $30 per share, its last paid dividend was $2 per share, and its required rate of return is 12%. If dividends are expected to grow at a constant rate, g, in the future, what is XYZ Company's expected stock price 4 years from now