Table 6
Total costs changes with changes in demand.
| Percentage of demand changes | Total cost under the objective function of minimizing environmental impacts (milliards of dollars/20 years) | Total cost under the objective function of maximizing total profit (million tons/20 years) | Percentage of difference between two economic and environmental objective functions |
|---|---|---|---|
| −5% | 1009.37 | 964.03 | 5% |
| −2.5% | 787.35 | 743.44 | 6% |
| 0% | 578.95 | 537.98 | 8% |
| +2.5% | 421.84 | 387.77 | 9% |
| +5% | 386.76 | 352.29 | 10% |