A Gas pump calculates the cost of gas at a local gas station.The station charges

A Gas pump calculates the cost of gas at a local gas station.The station charges $2.69 per gallon for regular grade gas $2.79per gallon for special grade gas and $2.89 for super grade. Createan application that simulates the functionality of the gas pump.The user enters the number of gallons to purchase and clicks thedesired grade (each grade is represented by a button whose textproperties are set to Regular Special and Super+). The Clickevent handler for each button calls a method to compute the totalcost from the number of gallons entered and the selected grade.(note: use the text property of each button to pass the selectedgrade to your method)