Integrated Inventory Routing Problem with Quality Time Windows and Loading Cost for Deteriorating Items under Discrete Time

Table 2

Distance matrix of nodes.

Nodes	Nodes
	0	1	2	3	4	5	6	7	8	9	10	11	12
0	0	5.5	1.7	3.8	3.4	6.7	6.7	6.6	6.1	8.5	10.8	14.2	15.1
1		0	4.3	9	8.5	12.3	8.8	6.7	11.1	13.8	16.3	19.7	20.6
2			0	5.5	4.2	8.1	7.9	7.2	6.8	9.5	12.1	15.6	16.3
3				0	3.9	3.9	5.9	7.3	5.5	6.8	8.1	11	12.3
4					0	4.5	9.1	9.7	2.7	5.3	8	11.7	12.2
5						0	9.4	11.1	3.8	3.4	4.2	7.5	8.5
6							0	2.7	11.3	12.6	13.4	15.5	17.3
7								0	12.2	14	15.3	17.7	19.3
8									0	2.9	6	9.9	10
9										0	3.3	7.2	7.1
10											0	3.9	4.3
11												0	25
12													0