The proportional relationship between the cost of gasoline and the number of gallons of gasoline from store a and store b are displayed in the graphs. Use the graph to interpret the store that has the cheaper cost of gasoline per gallon.
Store B has the cheaper gasoline. The cost of the gasoline at store B is $5 per gallon.
Store A has the cheaper gasoline. The cost of the gasoline is $0.25 per gallon.
Store B has the cheaper gasoline. The cost of gasoline at the store B is $100 per gallon.
Store B has the cheaper gasoline. The cost of the gasoline is $3.50 per gallon.