Can someone do point B please and show the workings (please can you not provide it in excel)

12. Sime Natural Cosmetics Ltd. has a dividend yield of 2 percent based on the current div- idend and a mature phase dividend growth rate of 5 percent a year. The current dividend growth rate is 10 percent a year, but the growth rate is expected to decline linearly to its mature phase value during the next six years. A. If Sime Natural Cosmetics is fairly priced in the marketplace, what is the expected rate of return on its shares? B. If Sime were in its mature growth phase right now, would its expected return be higher or lower, holding all other facts constant