Input			Output
Supply cost (in $1,000)	Service zones					Routes
A	B	C	D	E					A	B	C	D	E
Energy suppliers	1	70	47	22	53	98			Company	1
2	75	38	19	58	90			2
3	15	78	37	82	111			3
4	60	23	8	39	82			4
5	45	40	29	75	86			5
															Cost