Ключевые слова: agreement, bill, business, buy, contract, cost price, customer, deal, delivery time, economical, gain, information, invoice, management, need, offer, order, payment, price, process, procurement, product, profit, purchase, quality, quantity, quotation, request, request for information, requirement, rfi, service, service delivery, specifications, standardization, supplier, tender, turnover, uniformization, volume,