Ключевые слова: account, bank, banking, bill, blocks, business, buy, buyer, cash, charge, commission, concept, cost, credit, cubes, danger, expense, expensive, extra, fee, fees, finance, financial, hidden, high, interest, late, money, paid, pay, paying, payment, penalize, penalized, penalizing, penalty, percent, percentage, price, purchase, purchasing, reward, service, slice, tax, taxation, trade, wood, wooden, word,