How does the ability to discriminate correctly affect his or her earnings? A. If the negotiated price is higher than the reservation price, a sale is lost, and if the negotiated price is lower than the reservation price, some profit is lost. B. If the negotiated price is higher than the reservation price, some profit is lost, and if the negotiated price is lower than the reservation price, a sale is lost. C. If the reservation price is higher or lower than the reservation price, revenue is gained. D. If the reservation price is higher or lower than the reservation price, a sale is lost. E. If the negotiated price equals the reservation price, profit equals zero.