handwritten solution need within 30min

Four technicians are required to do four different jobs. Estimates of time to complete every job as provided by the technicians are as below: Technician Hours to Complete Job Job 1 Job 2 Job 3 Job 4 20 36 31 27 24 34 45 22 45 38 18 37 40 35 28 Assign the jobs to technicians to minimize the total work-time. State the steps taken in the algorithm used