A hemisphere has 42 cm diameter. Find its curved surface area and the total surface area.

A

$$2772 cm^{2}, 4158 cm^{2}$$

B

$$3772 cm^{2}, 5158 cm^{2}$$

C

$$4770 cm^{2}, 4238 cm^{2}$$

D

$$3072 cm^{2}, 4058 cm^{2}$$