(a) The commission shall determine the amount of the bond required for each bonded area.
(b) The amount of the bond shall:
(1) reflect the probable difficulty of the reclamation, considering factors including:
(A) topography;
(B) geology of the site;
(C) hydrology; and
(D) revegetation potential; and
(2) be sufficient to assure completion of the reclamation plan if the commission has to perform the work in the event of forfeiture.
(c) The bond for the entire area under one permit may not be less than $10,000.