Ключевые слова: account, accounting, addition, background, balance, black, business, button, calculate, calculator, cat, chart, color, concept, count, data, divide, economy, finance, financial, graph, gray, growth, hand, home, investment, isolated, laptop, macro, market, math, mathematics, money, multiply, notebook, number, object, office, paper, paperwork, pen, report, stock, subtract, success, symbol, tax, technology, white, work,