Question

A plant has 4 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"

Determine the optimal assignemnt and compute total minimum time.

		Machine
	Operator	A	B	C	D	Supply	Assigned
	1	0	0	1	0	1
	2	1	0	0	0	1
	3	0	1	0	0	1
	4	0	0	0	1	1
	Demand	1	1	1	1	4
	Assigned
	Total time =	37
	Time (mins):
		Machine
	Operator	1	2	3	4
	1	10	12	9	11
	2	5	10	7	8
	3	12	14	13	11
	4	8	15	11	9

Answer 1