receivable under finance lease, Financial Performance of the Group 2 Sales and service income for the period ended 31 March 2021 and 2020 are presented below: Sales and service income Q1-2021 Q1-2020 Change
-2021 6M-2020 6M-2021 Change THB Mn THB Mn THB Mn %QoQ %YoY THB Mn THB Mn %YoY Sales of goods and services 1,139.5 1,214.9 1,284.4 5.7% 12.7% 2,255.2 2,499.3 10.8% Revenue from finance lease under power
to be recognized in 2018. (Unit : Million Baht) 2018 2017 Change % Change Operating revenue 406.54 351.36 55.18 15.70% Operating cost 337.23 293.88 Gross profit 69.31 57.49 11.83 20.58% Gross profit
mainly due to an increase in electricity profit. This was resulted from a decrease in maintenance and operation costs. NTPC: Unit : Million Baht Quarter 2 Change Increase (Decrease) 2018 2017 Amount
and its subsidiaries had the operation results for the year ended December 31, 2018 with the following details: unit: THB million 2018 2017 Change (THB mill.) Change (%) Revenue from Sales and Service
and its subsidiaries had the operation results for the year ended December 31, 2017 with the following details: unit: THB million 2017 2016 Change (THB mill.) Change (%) Revenue from Sales and Service
and its subsidiaries had the operation results for the three-month period ended March 31, 2018 with the following details: unit: THB million 2018 2017 Change (THB million) Change (%) Revenue from Sales
services, classified by operation areas: Unit : Million Baht Revenues from dental service For the 3 months Change between YoY For the 6 months Change between YoY Q2/20 Q2/19 Amount % Q2/20 Q2/19 Amount
quarter of 2020 and one municipal solid waste power plant in Krabi which started its commercial operation since late December 2020. Net gain on exchange rate Q3-2020 Q2-2021 Q3-2021 9M-2020 9M-2021 Change
, partnering with Asia Industrial Estate and planning to build new larger SPP plants (280 MW) to replace the existing plants (124 MW) to serve high demands in the area, - Achieving commercial operation date (COD