Ключевые слова: 50, abundance, accounts, bank, banking, business, cash, cents, change, circle, coin, commerce, concept, cost, credit, crisis, currency, denomination, discount, economic, fifty, financial, inflation, investment, isolated, macro, market, metallic, money, object, one, pay, paying, price, prosperity, rich, round, salary, sale, savings, sell, silver, single, stock, success, symbol, trade, union, value, white,