and amortisation cost 111.3 107.1 4.2 3.9 Staff cost and other benefits 27.7 30.2 (2.5) (8.3) Repair and maintenance cost 27.1 40.0 (12.9) (32.3) Engineering and other services 21.5 19.4 2.1 10.8
related to the operation of Section 2 in MRT Blue Line Extension, repair and maintenance expense and amortization. Selling and administrative expenses amounted to Baht 1,336 Million representing a decrease
amounted to Baht 2,591 Million representing an increase from the same quarter of the previous year by Baht 198 Million or 8.3 percent mainly from the increase in operating expense, repair and maintenance
percent mainly from the increase in repair and maintenance expense in accordance to the schedule but the amortization of intangible asset under concession agreement of the MRT Blue Line Project decreased
(non-cash expenses) which inline to the increase in traffic volume and ridership together with the increase in repair and maintenance expense in accordance to the schedule. Financial cost amounted to
the decrease in sales, which was affected by the trade war as well as the raising of competition in the mobile phone distribution market. 2. Revenue from debt collection and other services in the third
the 1st quarter ended 31 March Description Unit 2018 2017 2016 1. Liquidity ratio Time 9.48 6.69 9.48 2. Liquidity quick ratio Time 1.47 3.26 6.16 3. Average debt collection time Day 53 62 45 4. Average
Description Unit 2017 2016 2015 1. Liquidity ratio Time 7.59 8.29 1.58 2. Liquidity quick ratio Time 3.13 4.36 0.50 3. Average debt collection time Day 69 57 40 4. Average debt repayment time Day 71 64 63 5
-month period of 2017 because the Company could collect the debt faster from 76 days to 73 days and from 74 days to 73 days, respectively. For the debtors who may have some problems incurred in collection