Ключевые слова: 100, 5000, abstract, american, background, bank, banking, banknote, banknotes, bill, bills, bundle, business, capital, cash, coins, commerce, concept, currency, debt, design, doodle, economy, exchange, falling, family, finance, financial, five, heap, hundred, investment, isolated, many, money, note, paper, pay, payment, profit, red, rich, ruble, russian, savings, seamless, sign, us, wealth, yellow,