((a)) The court shall order a sale of prize property if—

((1)) the property has been condemned;

((2)) the court finds, at any stage of the proceedings, that the property is perishable, liable to deteriorate, or liable to depreciate in value; or

((3)) the cost of keeping the property is disproportionate to its value.

((b)) The court may order a sale of the prize property if, after the return-day on the libel, all the parties in interest who have appeared in the cause agree to it.

((c)) An appeal does not prevent the order of a sale under this section or the execution of such an order.