(1) Except as provided in subdivision (a)(2) of this section, a judgment entered by a court shall bear post-judgment interest and, if appropriate under the facts of the case, prejudgment interest: In an action on a contract at the rate provided by the contract or at a rate equal to the Federal Reserve primary credit rate in effect on the date on which the judgment is entered plus two percent (2%), whichever is greater; and
(2) In any other action at a rate equal to the Federal Reserve primary credit rate in effect on the date on which the judgment is entered plus two percent (2%).
(3) Interest on a judgment shall not exceed the maximum rate permitted under Arkansas Constitution, Amendment 89.
(4) A judgment rendered or to be rendered against a county in the state on a county warrant or other evidence of county indebtedness shall not bear interest.