Solve these questions with detailed calculation process and explanation, please and thank you!!!

1. Calculate the return on a stock that you bought at $40 per share and sold at $50 per share and you received a one dollar dividend. 2. What is the return on problem one if you don't receive a dividend? 3. What would be the rate of return if you bought the stock in problem one above for $38 instead of $40, 4. What is the PEG ratio for a stock with a stock price of $120 and Earnings per share of $12 and a growth rate in earnings of 15%