Collaborative Multidepot Petrol Station Replenishment Problem with Multicompartments and Time Window Assignment

Table 6

Comparison between the initial and optimized network over one time period (unit: USD).

S	Initial cost	Optimized cost
{PD1}	1382.87	1086.07	96.80
{PD2}	1086.90	1010.82	76.08
{PD3}	1231.99	1145.75	86.24
{PD4}	970.79	902.83	67.96
{PD5}	1157.70	1076.66	81.04
{PD1 PD2}	2469.77	2074.34	395.43
{PD1 PD3}	2614.86	2143.21	471.65
{PD1 PD4}	2353.66	2053.49	300.17
{PD1 PD5}	2540.57	2102.84	437.73
{PD2 PD3}	2318.89	1875.41	433.48
{PD2 PD4}	2057.69	1808.63	249.06
{PD2 PD5}	2244.60	1949.18	295.42
{PD3 PD4}	2202.78	1843.52	359.26
{PD3 PD5}	2389.69	1892.67	497.02
{PD4 PD5}	2128.49	1780.36	348.13
{PD1 PD2 PD3}	3701.76	2807.26	894.50
{PD1 PD2 PD4}	3440.56	2886.14	554.42
{PD1 PD2 PD5}	3627.47	2895.92	731.55
{PD1 PD3 PD4}	3585.65	2909.23	676.42
{PD1 PD3 PD5}	3772.56	2904.58	867.98
{PD1 PD4 PD5}	3511.36	2804.67	706.69
{PD2 PD3 PD4}	3289.68	2651.37	638.31
{PD2 PD3 PD5}	3476.59	2697.79	778.80
{PD2 PD4 PD5}	3215.39	2700.79	514.60
{PD3 PD4 PD5}	3360.48	2607.36	753.12
{PD1 PD2 PD3 PD4}	4672.55	3665.71	1006.84
{PD1 PD2 PD3 PD5}	4859.46	3651.67	1207.79
{PD1 PD2 PD4 PD5}	4598.26	3657.80	940.46
{PD1 PD3 PD4 PD5}	4743.35	3600.45	1142.90
{PD2 PD3 PD4 PD5}	4447.38	3408.81	1038.57
{PD1 PD2 PD3 PD4 PD5}	5830.25	4354.57	1475.68