A gas pump calculates the cost of gas at a local station. Station charges 4.09 for reg, 4.16 for special, 4.26 for super. Create an application that simulates the functionality of the gas pump. The user enters the number of gallons to purchase and clicks the desired grade (regular special super) The Click event handler for each Button calls a method to compute the total cost from the number gallons entered and the selected grade. Using Visual Basic.