For a right circular cone, if the radius is reduced to 1/5 its original size and the slant height is reduced to 1/6 its original size,what is the surface area if the original radius is 8 centimeters and the original slant height is 13 centimeters?

A18.63 cm squared
B18.74 cm squared
C18.84 cm squared
D18.93 cm squared