Preference dividends that is deducted from profit or loss after tax for the purpose of calculating basic earning per share is:
(a) Preference dividends on non-cumulative preference shares declared in respect of the period; and
(b) Preference dividends for cumulative preference shares required for the period, whether or not the dividends have been declared. The amount of preference dividends for the period does not include the amount of any preference dividends for cumulative preference shares paid or declared during the current period in respect of previous periods.