A class collects \$ 50 to buy flowers for a classmate who is in the hospital. Roses \operatorname{cost} \$ 3 each, and carnations cost \$ 2 each. No other flowers are to be used. How many different bouquets could be purchased for exactly \$ 50 ?

**Answer Choices**

A. 1

B. 7

C. 9

D. 16

E. 17