(a) The amount of the administrative penalty shall be not less than $100 or more than $5,000 for each violation.
(b) In determining the amount of the penalty, the commission shall base its decision on:
(1) the seriousness of the violation;
(2) the threat the violation poses to health and safety;
(3) the history of previous violations;
(4) the amount necessary to deter a future violation;
(5) efforts made to correct the violation;
(6) the guidelines adopted under § 651.5515; and
(7) any other matter that justice requires.