18. Roberts Discount Appliances expects sales of $10,000, $15,000, and $25,000 during April, May, and June (big sale in June). To build a business, Smith lets all customers buy on credit, and all do so. In the past, 30% of Smith's Discount Appliances sales have been collected during the month of sale, 55% are collected the following month, and 15% the month after that. If this the trend continues, what will be Smith's total cash collections in the month of June?