performance Statement of income Consolidated Financial Statements for Quarter 1 of 2020 Quarter 1 of 2019 Change (Unaudited but reviewed) (Unaudited but reviewed) Increase (Decrease) THB Million % THB Million
follows. Financial performance Statement of income Consolidated Financial Statements for Quarter 3 of 2019 Quarter 3 of 2018 Change (Unaudited but reviewed) (Unaudited but reviewed) Increase (Decrease) THB
Ratio 2018 Ratio Increase / (Decrease) Amount Ratio Service income 2,220.88 100.00% 1,832.11 100.00% 388.77 21.22 Cost of service 1,868.61 84.14% 1,454.70 79.40% 413.91 28.45 Gross Profit 352.27 15.86
31 March 2020 Ratio 2019 Ratio Increase / (Decrease) Amount % Service revenue 646.34 100% 480.92 100% 165.42 34.40 Cost of service 531.42 82.22% 404.10 84.03% 127.32 31.51 Gross profit 114.91 17.78
Increase/(Decrease) Baht million Baht million Baht million % Revenue from Sales and Services 388.0 422.0 34.0 8.8 - Operating Revenue1 377.6 420.6 43.0 11.4 - Other Income from Utilities Business2 10.4 1.4
June 2019 Ratio 2018 Ratio Increase / (Decrease) Amount Ratio Service revenue 537.80 100% 429.18 100% 108.62 25.31 Other income 8.39 1.56% 6.53 1.52% 1.86 28.53 Cost of service 460.91 85.70% 331.19 77.17
the year ended 31 March 2019 Ratio 2018 Ratio Increase / (Decrease) Amount Ratio Service revenue 480.92 100% 385.75 100% 95.17 24.67 Other income 2.06 0.43% 1.43 0.37% 0.63 44.08 Cost of service 404.10
Ratio 2017 Ratio Increase / (Decrease) Amount Ratio Service revenue 1,832.11 100.00% 1,396.37 100.00% 435.74 31.21 Other income 18.00 0.98% 5.96 0.43% 12.04 202.01 Cost of service 1,454.70 79.40% 1,054.29
2016 Year 2015 increase (decrease) Million Baht % Million Baht % Million Baht % Revenue Revenue from immovable property sales 708.62 89.23% 919.19 98.12% -210.57 -22.91% Other income 85.57 10.77% 17.60