A solid wooden toy is in the shape of a right circular cone mounted on a hemisphere. If the radius of the hemisphere is 4.2 cm_-and the total ‘height of the toy is 10.2 cm, find the volume of the wooden toy (nearly)

A

$$104 cm^{3}$$

B

$$162 cm^{3}$$

C

$$427 cm^{3}$$

D

$$266 cm^{3}$$