The court may inquire into the ability of the adopting parent to pay for the guardian ad litem's services and, after giving the adopting parent a reasonable opportunity to be heard, may order the adopting parent to pay the guardian ad litem's fees.
Minn. R. Adop. P. 24.03
Rule 24.03 is consistent with Minn. Stat. § 259.65, which provides: "The court may order the adopting parents to pay the costs of services rendered by guardians or attorneys appointed, . . . provided that such parents shall be given a reasonable opportunity to be heard." .