A blue sign with white lights displays the daily gas prices at an Arco gas station. Starting from top to bottom showing how much gas costs per gallon when paying with cash or debit, the sign shows, “$4.69 unleaded, $4.89 unleaded plus, and $4.99 unleaded premium.” And starting from top to bottom showing the price per gallon when paying credit the sign shows, “$4.79 unleaded, $4.99 unleaded plus, and $5.09 unleaded premium.”