How the problem of the degeneracy arises in a transportation problem?

Define the followings in Queuing Theory.
a. Customer
b. Server
c. Priority

What are the variants of the simplex method? Write few lines about the followings.
(a) Unbounded solution.
(b) Unrestricted variables

Five different machines can process any of the five required jobs with different profits
resulting from each assignment.
Find the maximum profit possible through optimum assignments

How can the linear programming be applied to management problem?

Consider the transportation problem having the following parameter table.
Use the northwest corner rule to obtain an initial basic feasible solution