nine-month period when compared to the same period of the year 2016, which is related to the rise of revenue and to catch up work progress to complete on time resulting in higher costs while the

145.12% Selling expenses 15.28 3.11% 26.97 10.27% -11.69 -43.33% Administrative expenses 44.63 9.10% 65.73 25.03% -21.10 -32.10% Reversal of doubtful debts -28.67 -5.84% - 0.00% -28.67 100.00% Total

82.92% -175.03 -25.22% Selling expenses 21.90 3.16% 40.51 4.84% -18.61 -45.94% Administrative expenses 68.78 9.92% 90.74 10.84% -21.96 -24.20% Reversal of doubtful debts -51.57 -7.44% - 0.00% -51.57

115.59 170.45 (54.86) -32% Gross profit margin 9.37% 15.33% Other income 1.12 4.77 (3.64) -76% Selling expenses 2.97 2.66 0.31 12% Administrative expenses 86.79 80.76 6.03 7% Allowance for doubtful

quarter of the year 2018 of Baht 4.30 million decreased from Baht 23.44 million for the second quarter of the year 2017 of Baht 19.14 million or -81.7% due to there was the reversal of doubtful accounts of

Expenses 12.30 30.06 13.74 2,252.46 Administrative costs (40.45) (98.85) (47.78) (7,832.79) Allowance for impairment of joint venture capital - - (29.81) (4,886.89) Doubtful accounts (90.99) (222.36) (88.24

, and (2) the Company recorded the doubtful accounts on long-term loan to joint ventures of 910 million Baht in the same period last year. In Q2 2018, the Company had finance cost of 198 million Baht

Administrative expenses, impairment finance costs and share of loss from associates 57.53 777.43 37.52 78.22 Doubtful Account 86.50 1,168.92 - - Loss on impairment of goodwill 51.20 691.89 - - Management benefit

- - Doubtful Account 86.97 762.23 - - Impairment of intangible assets - - 16.87 31.69 Loss on impairment of goodwill 51.20 448.73 - - Loss on impairment of investment in associate 1.64 14.37 - - Management

affected by the delay. Therefore, the Company considered to record allowance for doubtful accounts with total amount of such unbilled receivables. Cost incurred from the delay under the contract consists of