A. The labor sector has been loudly agitating for the end of labor-only contracting, as distinguished from job contracting. Explain these two kinds of labor contracting, and give the effect of a finding that one is a labor-only contractor. Explain your answers. (4%) B. What are the grounds for validly terminating the services of an employee based on a just cause? (5%) C. Give the procedure to be observed for validly terminating the services of an employee based on a just cause? (4%)