A university has four undergraduate class levels and a graduate school. There are 5 majors, although not all students have chosen a major. There are 800 students attending the university. The...

A university has four undergraduate class levels and a graduate school. There are 5 majors, although not all students have chosen a major. There are 800 students attending the university. The administration would like to know how many students are in each level, and how many students have each major. They also would like to know how many students in each class level have declared each major. Develop a solution to output the needed information.