| Ship type 1 | Ship Type 2 | Ship Type 3 | Ship Type 4 | Ship Type 5 | |
Annual fuel cost | 10,578,664 | 14,720,410 | 15,369,340 | 15,161,100 | 14,949,136 | |
Annual lubricant fee | 846,293 | 1,177,633 | 1,229,547 | 1,212,888 | 1,195,931 | |
Annual material fee | 1,142,496 | 1,589,804 | 1,659,889 | 1,637,390 | 1,614,507 | |
Annual port fee | 729,000 | 1,368,000 | 1,754,266 | 1,800,000 | 2,376,000 | |
Annual management fee and other | 14,019,529 | 27,306,719 | 30,400,784 | 34,414,408 | 45,950,956 | |
Annual operating cost | 27,315,982 | 46,162,566 | 50,413,826 | 52,752,135 | 66,086,530 | |
Voyage operating cost | 9,105,327 | 11,540,641 | 12,603,456 | 13,188,033 | 16,521,632 |