Please Help with 10-5!

thank you!

10-1 Assume that Ritchey Industries is expected to have a dividend growth rate over the foreseeable future of 8 percent a year and that the required rate of return for this stock is 13 percent. The current dividend being paid is $2.25. What is the estimated value of the stock? I 0-2 Jay Technology is currently selling for $45 a share with an expected dividend in the coming year of $2 per share. If the expected growth rate in dividends is 9 percent, what is the required rate of return for Jay? 10-3 Dukes Longhorn Steaks is currently selling for $50 per share and pays $3 in dividends. Investors require 15 percent return on this stock. What is the expected growth rate of dividends? I0-4 Zhou Technology pays $1.50 a year in dividends, which is expected to remain unchanged. Investors require a 15 percent rate of return on this stock. What is the estimated price? 10-5 a. Given a preferred stock with an annual dividend of $3 per share and a price of $40, what is the required rate of return? b. Assume now that interest rates rise, leading investors to demand a required rate of