Each person subject to the license tax provided for in Section 45-38-241.21 shall be allowed and may retain, out of the taxes levied by Section 45-38-241.21 and payable by such retailer, a discount equal to five percent of the first one hundred dollars ($100) of taxes levied, and two percent of taxes levied in excess of the first one hundred dollars ($100) levied hereby.

(Acts 1977, 1st Ex. Sess., No. 38, p. 1449, §7.)