Question 5

A plant has four operators to be assigned to four machines. The time (minutes) required by each worker to produce a product on each machine is shown in the following table:

Machine

Operator

A

B

C

D

1

10

12

9

11

2

5

10

7

8

3

12

14

13

11

4

8

15

11

9

Determine the optimal assignment and compute total minimum time