investments in this risk class

Dolce, Deluca, and Benz Inc. will pay a dividend of $6 for each of the next 3 years, $7 for each of the years 4-7, and $9 for the years 8-10. Thereafter, the company will pay no dividends. If you require 16 percent rate of return on investments in this risk class, how much is this stock worth to you?

a. 29.01
b. 33.18
c. 46.21
d. 57
e. 73