789. The liquidator is entitled to the reimbursement of the expenses incurred in fulfilling his office.
He is entitled to remuneration if he is not an heir; if he is an heir, he may be remunerated if the will so provides or the heirs so agree.
If the remuneration was not fixed by the testator, it is fixed by the heirs or, in case of disagreement among the interested persons, by the court.