At the examination of accounts of an executor, administrator or trustee under this division, the registrar must—
(a) examine the accounts; and
(b) hear—
(i) the executor, administrator or trustee; and
(ii) anyone who has filed a notice under rule 2750 (Estate and trust accounts—appearance of beneficiary at examination) in relation to the examination, is present and wants to be heard; and
(c) inquire into any objection or exception taken to the accounts or allowance of commission to the executor, administrator or trustee.