Ключевые слова: account, accountant, accounting, balance, bank, bill, billing, budget, business, calculating, commerce, computer, concept, connect, credit, cyberspace, debt, digital, document, earning, electronic, expense, file, finance, financial, form, income, invoice, laptop, letter, money, online, order, paper, paperwork, pay, payment, plan, price, process, receipt, refund, report, sale, service, shopping, statement, tax, transaction, wooden block,