The court, on hearing an application under section 842, may order that the person disqualified or against whom a declaration under section 819 is made as a result of the application (by virtue of section 845(3)) shall bear -

(a) the costs of the application, and

(b) in the case of an application by the Authority, the Director of Public Prosecutions, a liquidator, a receiver or an examiner, the whole (or so much of them as the court specifies) of the costs and expenses that are incurred by the applicant -

(i) in investigating the matters that are the subject of the application, and

(ii) in so far as they do not fall within paragraph (a), in collecting evidence in respect of those matters,

including so much of the remuneration and expenses of the applicant as are attributable to such investigation and collection.