a commercial lot measures 250 feet by 480 feet. it is priced at $3,000 per front foot. if a sale occurs at 95% of the asking price and the listing broker compensates the selling broker with $20,000 for being the procuring cause, how much will the listing salesperson realize after paying $1,500 for a brochure, if he or she has a compensation agreement with the listing broker for a 70% split and the gross commission rate in the deal was 6%?