Vending Machine

A1 A2 A3 A4
B1 B2 B3 B4
C1 C2 C3 C4 C5 C6 C7
Please insert coins   Row A: $1.50 --- Row B: $1.25 --- Row C: $1.00
A B C
1 2 3 4 5 6 7 Enter
Coin Return: $0.00