Write a program that allows the user to input the number of hours worked and hourly pay rate for employees and outputs their total pay. The program should process an arbitrary number of employees; the user will terminate in put by entering 999 for number of hours worked and rate of pay. Use a class called Worker as follows: (attributes) Hours, Rate, Total; (methods) ComputeTotal and access methods (SetHours, GetHours, SetRate, GetRate, SetTotal and GetTotal) for each of the attributes.