Uber is a company that offers people transportation by drivers who use their own cars for this purpose. Customers pay for their rides with their smart-phone apps. Uber's prices fluctuate with the demand for the service. This "surge pricing" can result in different prices for the same distance traveled at different times of day or days of the week. Annie Lowrey, a writer for the New York Times, explained that she paid $13 for a 10 p.m. two-mile trip in downtown Washington, DC, on New Year's Eve. Three hours later she paid $47 for the return trip to her home. Did she receive negative consumer surplus on her return trip? Briefly explain.