Combined Use of Mathematical Optimization and Design of Experiments for the Maximization of Profit in a Four-Echelon Supply Chain

Table 8

Percentages of costs.

Capacity	Quality	Delivery time	Interest rate	Quality	Delivery time	Raw material	Production	Transportation	Operation	Interest rate
Low	Low	Low	Low	32.1%	1.0%	10.0%	8.9%	41.2%	6.7%	0.09%
High	Low	Low	High	32.1%	0.9%	10.0%	8.9%	41.7%	6.2%	0.09%
Low	High	Low	High	4.4%	1.1%	14.2%	12.3%	58.5%	9.5%	0.11%
High	High	Low	Low	4.1%	1.0%	14.2%	12.5%	59.2%	8.9%	0.11%
Low	Low	High	High	29.7%	11.4%	8.7%	7.9%	36.2%	6.0%	0.09%
High	Low	High	Low	30.2%	10.5%	8.9%	8.0%	36.6%	5.8%	0.09%
Low	High	High	Low	5.0%	15.0%	11.9%	10.7%	49.0%	8.2%	0.12%
High	High	High	High	4.9%	13.4%	12.3%	10.9%	50.7%	7.7%	0.12%
Medium	Medium	Medium	Medium	18.9%	8.3%	10.9%	9.7%	45.0%	7.2%	0.10%