Calculate the fuel cost in total cost

(preliminary) Income Statement Year ended 31 December 2xx1 Revenue Consisting of: Passenger revenue Contract flying revenue Revenue from other activities Revenue Staff costs Fuel Airport and en route charges Ground operations Maintenance Depreciation and amortisation Aircraft rental charges Marketing and distribution costs Other operating gains/(losses) Other operating expenses Operating profit/(loss) Investment income Finance costs Other losses Profit/(loss) before tax Tax credit/(charge) Profit/(loss) after tax of continuing operations Loss on discontinued operations Profit/(loss) 2xx1 thou. 935,700 857,550 20,850 57,300 935,700 (149,700) (152,400) (181,050) (123,750) (31,950) (48, 150) (118,950) (37,800) 6,900 (85,650) 13,200 1,200 (6,000) (4,200) 4,200 6,150 10,350 10,350 2xxo thou. 861,150 792,900 17,400 50,850 861,150 (135,750) (158,250) (163,050) (103,650) (33,450) (42,000) (120,900) (41,100) (1,500) (80,550) (19,050) 1,200 (2,250) (15,300) (35,400) (150) (35,550) (18,000) (53,550)