During December of each year, the city comptroller shall review the status of banks within the city and interest rates on savings accounts, insured money market accounts and six (6) month certificates of deposit at commercial banks located within the city. On the first business day of each year, the comptroller shall announce the rates of interest, as of the last business day of the prior month, on savings accounts, insured money market accounts and six (6) month certificates of deposit at the commercial bank having the most number of branches located within the city. The rates for money market accounts and for certificates of deposit shall be based on the minimum deposits for such investments. The comptroller shall calculate and announce the average of the three rates. The average of these rates so announced by the comptroller shall be the rate of interest on security deposits under rental agreements governed by this chapter and made or renewed after the most recent announcement.
