Table 12.

The sensitivity of total cost to parameter q and R

q	Two levels			Three levels			Four level
	Obj value	No. of CD	No. Pr	Obj value	No. of CD	No. Pr	Obj value	No. of CD	No. Pr
0.1	31,562.5	2	4604	32,805	2	4290	32,282.5	2	4317
0.15	32,460	2	4560	33,157.5	2	4411	32,595	2	4391
0.2	34,675	2	4387	33,182.5	2	4617	34,697.5	2	4217
0.25	36,137.5	2	4429	35,505	2	4171	37,230	3	5021
0.3	37,045	2	4733	37,100	2	4644	36,690	3	5272
0.35	36,957.5	2	4860	36,712.5	2	4860	37,105	3	5686
0.4	39,282.5	2	5129	38,842.5	3	5428	40,385	3	5313
0.45	41,817.5	2	4696	42,140	4	5602	39,370	3	5615
0.5	44,672.5	2	4319	43,972.5	2	4584	42,767.5	3	5335

No. Pr number of pallets passing through cross-dock, No. of CnD Number of opened cross-docks