Ключевые слова: abstract, american, background, bank, banking, banknote, bill, business, buy, buying, cash, commerce, concept, currency, dollar, earning, earnings, economy, exchange, finance, financial, giving, hand, hold, holding, human, hundred, investment, man, market, money, pay, paying, payment, people, person, profit, prosperity, rich, salary, savings, sell, shopping, sign, stock, success, symbol, us, usa, wealth,