CERTYNEX IFRS ACADEMY

Rilmar SA closes its books on 31 December. No amendment, curtailment or settlement of its defined benefit plan occurred during year N. To calculate the service cost for year N, which actuarial assumptions should be used?

Those at 31 December N, more recent and therefore more reliable than those at the start of the year, to measure the service cost of the whole year just ended.

The arithmetic average of the opening and closing assumptions of the year, which spreads the effect of the changes over the whole year.

Those at the date of each payroll, updated every month, in order to track the service cost more precisely.

Those set at the start of the annual period, on 1 January N, as no plan event occurred.