A toy is in the form of a cone mounted on a hemisphere. The radius of the hemisphere and that of the cone is 7 cm and height of the cone is 5 cm. The total surface. area of the toy (take $$\pi = \frac{22}{7}$$) is (rounded off to two places of decimal):

A

486.65 $$cm^{2}$$

B

497.25 $$cm^{2}$$

C

2666.85 $$cm^{2}$$

D

2648.81 $$cm^{2}$$