Ключевые слова: accounting, accounting concept, analytics, bill payment, budget, calculation, cash, compare, consultant, control, cost, cost analysis, credit, debt, entertainment, estimate, expense, experience, expression, factors, financial, fixed, fixed cost, fixed costs, income, indirect costs, invest, investment, mortgage, no change, operating expenses, overhead costs, payment, produce, production, recurring, reduction, routine expense, saving, savings, strategy, unit sales, value, variability, variable, variable cost, variable costs, various changes,