(1) The parties are equally liable for the costs of mediation under this Division unless they agree otherwise.
(2) The parties must pay their own costs of attending the mediation.
(3) The costs of mediation under this Division under subsection (1) include the following:
(a) the cost of the mediator;
(b) the cost of any additional input (including from technical experts) agreed by both parties to be necessary to conduct the mediation.