PART 3 Three professors must be assigned to teach four sections of OR. Professor 1 must teach two sections, and Professors 2 and 3 must teach one section. Each professor has ranked the four time periods during which OR is taught, as shown in following table. A ranking of 1 means that the professor wants to teach that time, and a ranking of 10 means that he or she does not want to teach at that time. Use Hungarian method to determine an assignment of professors to sections that will minimize the total satisfaction of the professors. [ 40 points]