Evaluate $L = 2 C + 1.57 ( D + d ) + \frac { ( D - d ) ^ { 2 } } { 4 C }$

Multiple Choice

Evaluate $L = 2 C + 1.57 ( D + d ) + \frac { ( D - d ) ^ { 2 } } { 4 C }$ if $C = 28$ in., $D = 18$ in., and $d = 8$ in. This is the formula that finds the length of a belt that goes around two pulleys.

A) L = 97.71 in.
B) L = 102.86 in.
C) L = 96.91 in.
D) L = 64.5 in.