The commission shall deposit to the credit of the historic site account all revenue, less allowable costs, received from the following sources:
(1) the operation of concessions at historic sites described by Subchapter C;
(2) lease of grazing rights on a historic site;
(3) sale of products grown on a historic site;
(4) fines received from violations of rules governing historic sites under Subchapter E; and
(5) any other source.