(a) For each examination conducted under Section 154.053, the commissioner or the commissioner's agent shall impose on the seller a fee in an amount set by the commission under Section 154.051 and based on the seller's total outstanding contracts.
(b) The amount of the fee must be sufficient to cover:
(1) the cost of the examination, including:
(A) salary and travel expenses for department employees, including travel to and from the place where the records are kept; and
(B) any other expense necessarily incurred in conducting the examination;
(2) the equitable or proportionate cost of maintaining and operating the department; and
(3) the cost of enforcing this chapter.