The compensation and expenses of commissioners appointed under section 503(a) (relating to commissioners and report) shall be in a reasonable amount as approved by the court. The court shall, by order, provide how costs and expenses of the proceedings, including the furnishing and placing of monuments, shall be paid and may assess the costs individually or in apportioned amounts against the following:
(1) The petitioners.
(2) The borough.
(3) Any interested municipal corporation.