Store employees are handing out coupons. Every 10th costumer gets a $1. Every 12th costumer gets a $2 coupon. Which costumer is the first to receive both coupons? Drag and drop the answer into the box to complete the statement.
The -------- costumer receives both coupons.
A.4
B.5
C.6
D.10
E.20
F.30
G.60
H.120