This must be in C++ programming language. Write a program that tracks all the employees of a company. Employees are being promoted and demoted, and, of course, getting paid. The list of people the program must deal with is not fixed: initially there are none, and new people may be introduced by the JOIN command (see below). Employees within a company are ordered according to a seniority system and are numbered from 1 to N (the number of people in the company) to indicate their rank: 1 is the lowest rank and N is the highest. A new employee always enters at the bottom of the ladder and hence always starts with a rank of 1. When a new person joins a company, the rank of everyone in the company is increased by one, and when an employee quits, the rank of employees above him or her in that company is decreased by one. Promotions can also occur and affect the ranks in the obvious way. Naturally, salaries are based on rank. An employee's salary is Rank * $2000.

Command Processing

JOIN joins the company. This may be the first reference to this person. The person does not currently belong to another company.

Remember that when a person joins a company he or she always starts at the bottom.

QUIT quits his or her job and becomes unemployed. You may assume that the person is currently employed.

PROMOTE is moved up one step in the current company, ahead of his or her immediate superior.

If the person has highest rank within the company, no change occurs.

DEMOTE is moved one step down in the current company, below his or her immediate subordinate.

If the person has lowest rank within the company, no change occurs

SALARY Displays the list of employees and the salary paid to each employee. Each person is paid his or her salary as specified here.

(You must keep track of the amount each person in the company. Salary is based on current rank of the employee. Employee’s salary is Rank *$2000)

EMPLOYEES The current list of employees should be printed for the company.

The employees must be printed in order of rank; either top to bottom or bottom to top is appropriate.

END Stop accepting commands.

Can use arbitrary employee details.