The trial court may, on objection, disallow any of the above-described costs on a finding that the costs were not reasonably incurred; were incurred for the purpose of harassment; were incurred in bad faith; or were incurred for the purpose of increasing the costs to any other party. The mere fact that a deposition is not used in the trial of an action, either as evidence read into the record or for the purposes of impeachment, does not indicate that the taking of the deposition was not reasonable, or that a copy of a deposition was not reasonably obtained, or that the cost of the deposition should otherwise be disallowed, so long as its taking was reasonable for trial preparation.
I.R.C.P. 54