operating expenses 681.4 684.5 (0.5) 675.7 0.8 2,052.4 2,037.9 0.7 Bad debts, doubtful accounts and impairment loss 70.0 110.1 (36.4) 140.0 (50.0) 510.1 487.2 4.7 Income tax expenses 155.3 168.4 (7.8) 146.9
treatment systems 34.69 81.63 (57.50) Selling expenses 58.75 43.36 35.49 Administrative expenses - WIIK 55.63 53.03 4.90 - WW 41.87 20.35 105.75 Finance cost 42.25 34.20 23.54 Profit before income tax income
-29.51 Loss Before Income Tax -21.98 -10.75 -11.23 -104.47 Income tax expense -0.02 -0.01 -0.01 -100.00 Total loss for the period -22.00 -10.76 -11.24 -104.46 Other Comprehensive Income 1.23 -0.23 1.46
Loss Before Income Tax -25.62 -96.29 70.67 73.40 Income tax expense -0.14 1.78 -1.92 -107.87 Total loss for the period -25.76 -94.51 68.754 72.75 Other Comprehensive Income -0.10 -0.71 0.61 85.92 Total
4,946 10.0% 26.5% 17,753 12,132 46.3% Operating profit before tax 10,279 9,506 9,912 8.1% 3.7% 30,113 28,823 4.5% Income tax expenses 2,037 1,388 1,786 46.8% 14.1% 5,376 5,087 5.7% Net profit 8,242 8,118
7,322 5,688 (10.8)% 14.9% 13,854 11,494 20.5% Operating profit before tax 11,331 11,621 9,506 (2.5)% 19.2% 22,953 19,834 15.7% Income tax expenses 2,041 2,522 1,388 (19.1)% 47.0% 4,563 3,339 36.7% Net
(130.08) (100.22) 30.86 30.79% 5 Finance costs (14.29) (9.86) 4.43 44.93% 6 Share of profit (loss) of associates - (20.68) (20.68) (100.00%) Profit before income tax 43.35 28.22 15.13 53.61% Income tax
on disposal of assets - - - 2,119 -100% Other income 8,810 3,909 125% 7,251 22% 4,552 94% Total revenues 519,428 538,364 -4% 494,213 5% 498,549 4% Profit (loss) before interest and income tax (19,757
the year 2018 and 2017 as follows:- Unit : Million Baht For the year 2018 2017 Net securities business income 1,335.88 1,491.77 Operating expenses (1,396.22) (1,381.42) Corporate income tax – income