Any person, firm or corporation that violates this section shall be guilty of a misdemeanor and upon conviction thereof shall be fined not less than Two Hundred Fifty Dollars ($250.00) or more than Five Hundred Dollars ($500.00) for the first offense; and not less than Five Hundred Dollars ($500.00) or more than One Thousand Dollars ($1,000.00) for the second offense when the second offense is committed within a period of three (3) years after the date on which the first offense was committed; and not less than Two Thousand Dollars ($2,000.00) or more than Four Thousand Dollars ($4,000.00) or imprisonment in the county jail for a period of not more than thirty (30) days for a third or subsequent offense when that offense is committed within a period of three (3) years after the date on which the first offense was committed. Any fine or sentence, or both, imposed upon a person for a second, third or subsequent offense under this section shall not be suspended or reduced.