Please answer all of them if you can

1. (Discounted dividends) Consider a stock that pays a dividend of $20. Dividends are expected to grow at 7% per year and the stock is currently priced at $713. i) What must the expected return on the stock be for investors to purchase it at this price? ii) What is the return to an investor from holding the stock for one year and then selling it? iii) Consider a second stock that pays 50 in dividends which are expected to grow at 10% per year. According to Gordon's model, what is the expected return on this stock? iv) Assume that now investors believe that in period t+1 the first stock will start growing at 8% but will pay lower dividends of $10. What is the price of the stock at 1 + 1? v) What is the return from holding the stock between periods t and t +1