87 Sensitivity analysis that affect to loss reserves and outstanding claims The sensitivity test is the risk analysis of insurance contract liabilities that may be increased or decreased as a result of change in assumptions used in calculation, which may impact on both gross and net claim reserves. The risks may be caused by the frequency of loss, value of loss and claims, or loss adjustment expenses that are not as expected. The impact on the best estimate of insurance liabilities of changes in key variables as at 31 December 2021 and 2020 are summarised below. (Unit: Million Baht) Consolidated financial statements 2021 Insurance liabilities Change in assumption Gross liabilities increase (decrease) Net liabilities increase (decrease) Profit before tax increase (decrease) Equity increase (decrease) Ultimate loss ratio Increase 2% 208 195 (195) (156) Loss adjustment expenses Increase 2% 18 18 (18) (14) Ultimate loss ratio Decrease 2% (186) (180) 180 144 Loss adjustment expenses Decrease 2% (17) (17) 17 14 (Unit: Million Baht) Consolidated financial statements 2020 Insurance liabilities Change in assumption Gross liabilities increase (decrease) Net liabilities increase (decrease) Profit before tax increase (decrease) Equity increase (decrease) Ultimate loss ratio Increase 2% 205 177 (177) (137) Loss adjustment expenses Increase 2% 13 13 (13) (11) Ultimate loss ratio Decrease 2% (194) (160) 160 128 Loss adjustment expenses Decrease 2% (13) (13) 13 11 25.3 Unearned premium reserves (Unit: Million Baht) Consolidated financial statements 2021 2020 Balance - beginning of the year 4,483 4,365 Premium written for the year 8,496 8,848 Premium earned during the year (8,643) (8,730) Balance - end of the year 4,336 4,483 303 แบบ 56-1 One Report / รายงานประจ� ำปี 2564 บริษัท ทุนธนชาต จ� ำกัด (มหาชน)
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