credit card, machine, black, paying, machinery, wallet, business, buy, ethnicity, plastic, finance, workshop, supermarket, food market, close, human, debit, men, store, bank, reading, buying, retail, caucasian, playing cards, one-person, consumerism, computer monitor, sale, hand, customer, white, closeup, people, cashier, holding, smart card, selling, coding, shop, marketplace, credit line, playing card, positive identification, financier, business activity, market, merchandising, monitor, grocery store, credit, thinking, consumer credit, identification, teller, electronic device, banker, someone, theory, economic theory, commerce, marketing, explanation, adult, card, man, case, purchase, photograph, transaction, undertaking, work, bargain, open-end credit, person, paper, workplace, male, consumer, display