Task# $4$

Create a class called PetrolPurchase to represent information about the petrol you purchase. The class should include five pieces of information in the form of instance variables:

The station's location $($type String$),$

The type of petrol $($type String$),$

The quantity $($type int$)$ of the purchase in liters, $$ The price per liter $($double$),$

The percentage discount $($double$).$

Provide a set and a get method for each instance variable. In addition, provide a method named getPurchaseAmount that calculates the net purchase amount $($i$.$e$.,$ multiplies the quantity by the price per liter$)$ minus the discount, then returns the net amount you had to pay as a double value. Write an application class named Petrol that demonstrates the capabilities of class PetrolPurchase.