Ключевые слова: allowance, bill, business, calculation, calculus, charges, computation, currency, deliberation, discount, dollar, emotion, euro, fee, finances, financing, idea, information, interest, investment of money, mathematics, men, mimic, money, occupation, pencil, policy, price, price reduction, rebate, reckoming, reflection, result, share, stock, strategy, success, sum, tax, tax advisor, tax consultant, tax office, thought, valueadded tax,