More customers are facing a fee when they choose to pay in cash. WSJ personal-finance reporter Oyin Adedoyin joins host J.R. Whalen to discuss how the extra charge could change the way you purchase items like popcorn at the ballpark or merch at a concert.\xa0\n\n\n\nSign up for the WSJ's free Markets A.M. newsletter.\xa0\n\nLearn more about your ad choices. Visit megaphone.fm/adchoices