Lindsey earns 5% commission off all sales in the clothing boutique she works at. If a customer bought $124.50 in merchandise, how much commission did she earn? (HOW DID YOU GET YOUR ANSWER PLEASE SHOW YOUR WORK!!)
A. 12.5
B. 29
C. 6.23
D. 2 2/3
E. 1/2
F. 22
G. 5.21