Ключевые слова: amount, analysis, analyze, background, balance, base, business, businessman, commerce, concept, consumer, customer, decision, demand, diagram, economic, economy, education, equilibrium, evaluate, exceed, finance, goods, graphic, idea, industry, inventory, management, manager, market, marketing, message, option, presentation, price, product, professional, provider, quantity, retail, sale, sign, strategy, supply, teacher, text, tracing, versus, weighing, word,