The charge of a trustee for the performance of powers and duties of foreclosure by advertisement and sale imposed under ORS 86.705 to 86.815 shall not exceed 50 percent of the compensation allowable to a personal representative under ORS 116.173(3) or a minimum charge of $100. Such compensation shall be based upon the amount due on the obligation, both principal and interest, at the time of the trustee's sale.
ORS 86.809