cost trend rate N/A N/A 1,273.7 (1,085.7) Discount rate (100.9) 111.2 (1,112.9) 1,332.8 Salary increment rate 125.9 (115.9) N/A N/A The sensitivity analysis has been provided based on membership data as at 31 December 2023 and considered a change of each principal assumption in isolation. The method and types of assumptions used in preparing the sensitivity analysis did not change compared to the previous period. The weighted average duration of the Group’s and of the Company’s liabilities are estimated at approximately 6 and 14 years for RBTF and PRMBS respectively. Plan assets for RBTF comprise: Group and Company 2023 % 2022 % Equity instruments - quoted 43.7 47.5 Debt instruments - quoted 19.5 18.1 - unquoted 23.8 21.6 Others 13.0 12.8 100.0 100.0 The plan assets for RBTF didnot include any ordinary share of the Company. The Group’s and the Company’s RBTF are conditional on future employment of the members of the plan. The Group’s and the Company’s PRMBS are not conditional on future employment and has been fully vested as at 31 December 2023. NOTES TO THE FINANCIAL STATEMENTS 31 December 2023 TENAGA NASIONAL BERHAD Integrated Annual Report 2023 266 25 CONSUMER DEPOSITS Consumers are required to deposit a sum sufficient to cover charges for two months supply of electricity as allowed under the regulation of the Licensee Supply (Amendment) Regulations 2002 (with the exception of employees, government departments/agencies and recipients of government assistance program for eKasih Group). In default of payment of the deposit within the time specified, the supply to the consumer’s installation may be disconnected, subject to certain conditions laid out in the regulations. An interest of 2.5% per annum is credited to the consumer’s cash deposit. Consumer deposits are classified as current liabilities as the amounts shall be refunded within 30 days upon request for termination of electricity supply by the consumer. 26 BORROWINGS Accounting Policy Borrowings are recognised initially at fair value, net of transaction