Each decision on any application for development shall be set forth in writing as a resolution of the Board which shall include findings of fact and legal conclusion based thereon.

A copy of the decision shall be mailed by the Board within 10 days of the date of decision to the applicant, or if represented, then to his attorney, without separate charge. A copy of the decision shall also be mailed to all persons who have requested it and who have paid the $2 fee for such service. A copy of the decision shall also be filed in the office of the Municipal Clerk, who shall make a copy of such filed decision available to any interested party upon payment of a fee calculated in the same manner as those established for copies of other public documents in the municipality.