2) Consider the following class:

public class SaleTransaction {

private double myOriginalPrice;

private double myDiscountRate;

public SaleTransaction(double price, double discountrate) {

myOriginalPrice = price; myDiscountRate= discountrate;

}

public double getPrice(){

return myOriginalPrice;

}

public double getDiscount(){

return myDiscountRate;

}

}

A StaffSale Transaction is-a SaleTransactiob that has an additional staff discount rate. This rate for a staff transaction will be the sum of both discount rates if this sum is less than 0.75. Otherwise, the higher rate will be applied. Write the StaffSale Transaction class