solve the following:

If you need a 13% rate of return, a dividend growth rate of 3.6%, and the firm recently paid a $2.50 annual dividend, how much would you pay for a stock today?

What should you pay for a stock if next year's annual dividend is predicted to be $5.25, its steady growth rate is 2.85%, and you need a 15.5% rate of return?

If the growth rate is zero and the discount rate is 8%, what should be the price of a common stock that pays $3.50 a year in dividends?