People in sales frequently earn a base salary and commission on their sales. A company has asked you to write a program to estimate the payroll for the week given a persons sales. The sales force earns a base salary of $300 per week plus 12% of their total sales for the week. Since each department has a different number of employees, use a while loop to allow the user to exit the program by entering an employee number less than 100 when they have completed.