Laura Middleton, the scheduler at a small Grand Rapids, Michigan plant, has six jobs that can be processed on any of six machines, with respective times as shown (in hours) in the table.
MACHINE
JOB 1 2 3 4 5 6
A-52 60 22 34 42 30 60
A-53 22 52 16 32 18 48
A-56 29 16 58 28 22 55
A-59 42 32 28 46 15 30
A-60 30 18 25 15 45 42
A-61 50 48 57 30 44 60
a) Determine the allocation of jobs to machines that will result in minimum time.