Ключевые слова: abstract, american, assorted, background, banking, banknotes, bills, business, cash, close up, currency, currency exchange, detail, dollar, dollars, economics, economy, euro, european, euros, exchange, finance, financial, financial instrument, global, heap, income, international, investment, macro, market, markets, mess, money, payment, pile, savings, scattered, surface, texture, trade, trading, transaction, us dollar, value, wealth, white, white background, worth,