Three Jobs Are to Be Assigned to Three Machines

Multiple Choice

Three jobs are to be assigned to three machines.Cost for each job-machine combination appears in the table below.Perform the first two steps of the assignment method (subtract the smallest number in each row and subtract the smallest number in each column;then cover with straight lines) .At this point in the problem-solving process:

A) the row for Job 1 contains the values 5,6,and 0.
B) calculations are complete,and the problem is ready for an optimal set of assignments.
C) the column for Machine B indicates that it should be retired.
D) Job 1 should be performed on Machine B.
E) Job 1 should be performed on Machine A.