A university posts its employee salary at http://cs .armstrong.edu/liang/data/Salary.txt. Each line in the file consists of faculty first name, last name, rank, and salary (see Exercise...

A university posts its employee salary at http://cs
.armstrong.edu/liang/data/Salary.txt. Each line in the file consists of faculty first name, last name, rank, and salary (see Exercise 13.16). Write a program to display the total salary for assistant professors, associate professors, full professors, and all faculty, respectively, and display the average salary for assistant professors, associate professors, full professors, and all faculty, respectively.