The interest received from the investment of said funds shall be applicable to the payment of pensions under sections 87.010 to 87.105, and it shall be in the power of the legislative body of any city, village or incorporated town to diminish and adjust the annual rate of one percent from licenses, so that the income from interest, dues from members and licenses shall meet the requirements of the pension list as provided by sections 87.010 to 87.105.