(a) the marital and family status, and history, of the adoptive parents and adoptive child;

(b) the physical and mental health of the adoptive parents and adoptive child;

(c) the property owned by and the income of the adoptive parents;

(d) the compensation paid or agreed upon with respect to the placement of the child for adoption;

(e) whether either adoptive parent has ever been respondent in any proceeding concerning allegedly abused, neglected, abandoned or delinquent children;

(f) any other facts relating to the familial, social, religious, emotional and financial circumstances of the adoptive parents which may be relevant to a determination of adoption. The written report of investigation shall be submitted to the judge or surrogate within thirty days after the same is directed to be made, unless for good cause shown the judge or surrogate shall grant a reasonable extension of such period. The report shall be filed with the judge or surrogate, in any event, before the final order of adoption is granted. 4. Stage two of private-placement adoption. If the judge or surrogate has found that there has been compliance with all the requirements hereof and is satisfied that the best interests of the child will be promoted by granting an order of adoption, the provisions of section one hundred fourteen of title two of this article shall apply. 5. As used in this section, "disinterested person" includes the probation service of the family court, a licensed master social worker, licensed clinical social worker, or an authorized agency specifically designated by the court to conduct pre-placement investigations.