Now Playing: 11-23-12 Marketplace

Walmart announced today that it's had its best Black Friday ever. Meanwhile, shoppers at some stores passed workers who'd walked out. It seems Superstorm Sandy is, in fact, giving a boost to the economy. We hear about fans of the Florida Marlins who were upset by the team's latest trades. One community college is cutting hours for some its faculty in order to comply with the Affordable Care Act. An art college in Maryland has found a new way to feed its students while also cutting costs. And Kai Ryssdal talks to Quartz reporter Matt Phillips about why nearly 80 percent of all U.S. currency in circulation is $100 bills.