In disbursing funds to eligible counties which have satisfactorily fulfilled the requirements of the cooperative agreement as set out in § 20-21-503, the Department of Health shall remit a maximum of ten thousand dollars ($10,000) to each of the eligible counties to be payable during the second month of each quarter of the state fiscal year, which months are August, November, February, and May. The payments shall be made in equal quarterly installments of not to exceed two thousand five hundred dollars ($2,500).