The frustum of a right circular cone has the radius of the base as 5 cm, radius of the top as 3 cm, and height as 6 cm. What is its volume?

A

98 $$\pi cm^{3}$$

B

100 $$\pi cm^{3}$$

C

96 $$\pi cm^{3}$$

D

90 $$\pi cm^{3}$$