A surveyor's transit set up 112.1 feet from the base of a vertical chimney reads 32° 30' with the cross hairs set on the top of the chimney. With the telescope level, the vertical rod at the base of the chimney is 5.1 feet Compute the height of the chimney?

A. 66.3 ft

C. 76.5 ft

B. 71.4 ft

D. 170.9 ft