Q6: Three jobs are to be assigned to three machines. Cost for each job-machine combination appears in the table below. Job 1 Job 2 Job 3 Machine A Machine B Machine C 11 14 6 8 10 11 9 12 7 a. Perform the first two steps of the assignment method (rows and columns operations; covering the zeros) (7 points) b. Have we reached the optimal solution using these 2 steps or not? (2 points)