特定の条件を満たさない場合、交易所にて交易品を売買する際、関税がかかります。
関税がかかる場合は、売る時と買う時双方でかかります。
自国での100%時の売値をa、他国での100%時の売値をbとすると
関税=(a-b)/a
と表せます。
| マンボウの売値 | 関税 |
| 4,000 | 0.00% |
| 3,960 | 1.00% |
| 3,920 | 2.00% |
| 3,880 | 3.00% |
| 3,840 | 4.00% |
| 3,800 | 5.00% |
| 3,760 | 6.00% |
| 3,720 | 7.00% |
| 3,680 | 8.00% |
| 3,640 | 9.00% |
| 3,600 | 10.00% |
| 3,560 | 11.00% |
| 3,520 | 12.00% |
| 3,480 | 13.00% |
| 3,440 | 14.00% |
| 3,400 | 15.00% |
| 3,360 | 16.00% |
| 3,320 | 17.00% |
| 3,280 | 18.00% |
| 3,240 | 19.00% |
| 3,200 | 20.00% |
| 3,160 | 21.00% |
| 3,120 | 22.00% |
| 3,080 | 23.00% |
| 3,040 | 24.00% |
| 3,000 | 25.00% |
| 2,960 | 26.00% |
| 2,920 | 27.00% |
| 2,880 | 28.00% |
| 2,840 | 29.00% |
| 2,800 | 30.00% |
| 2,760 | 31.00% |
| 2,720 | 32.00% |
| 2,680 | 33.00% |
| 2,640 | 34.00% |
| 2,600 | 35.00% |
| 2,560 | 36.00% |
| 2,520 | 37.00% |
| 2,480 | 38.00% |
| 2,440 | 39.00% |
| 2,400 | 40.00% |
| 2,360 | 41.00% |
| 2,320 | 42.00% |
| 2,280 | 43.00% |
| 2,240 | 44.00% |
| 2,200 | 45.00% |
| 2,160 | 46.00% |
| 2,120 | 47.00% |
| 2,080 | 48.00% |
| 2,040 | 49.00% |
| 2,000 | 50.00% |
| 1,960 | 51.00% |
| 1,920 | 52.00% |
| 1,880 | 53.00% |
| 1,840 | 54.00% |
| 1,800 | 55.00% |
| 1,760 | 56.00% |
| 1,720 | 57.00% |
| 1,680 | 58.00% |
| 1,640 | 59.00% |
| 1,600 | 60.00% |
| 1,560 | 61.00% |
| 1,520 | 62.00% |
| 1,480 | 63.00% |
| 1,440 | 64.00% |
| 1,400 | 65.00% |
| 1,360 | 66.00% |
| 1,320 | 67.00% |
| 1,280 | 68.00% |
| 1,240 | 69.00% |
| 1,200 | 70.00% |
| 1,160 | 71.00% |
| 1,120 | 72.00% |
| 1,080 | 73.00% |
| 1,040 | 74.00% |
| 1,000 | 75.00% |
| 960 | 76.00% |
| 920 | 77.00% |
| 880 | 78.00% |
| 840 | 79.00% |
| 800 | 80.00% |
| 760 | 81.00% |
| 720 | 82.00% |
| 680 | 83.00% |
| 640 | 84.00% |
| 600 | 85.00% |
| 560 | 86.00% |
| 520 | 87.00% |
| 480 | 88.00% |
| 440 | 89.00% |
| 400 | 90.00% |
| 360 | 91.00% |
| 320 | 92.00% |
| 280 | 93.00% |
| 240 | 94.00% |
| 200 | 95.00% |
| 160 | 96.00% |
| 120 | 97.00% |
| 80 | 98.00% |
| 40 | 99.00% |
| 0 | 100.00% |