At the gas station, each liter of gas costs $3, but there’s a promotion that for every beverage you purchase you save $0.20 on gas

At the gas station, each liter of gas costs $3, but there’s a promotion that for every beverage you purchase you save $0.20 on gas.
Is your total savings on gas proportional to the number of beverages you purchase?
Choose one answer
A.Yes
B.No