Calculate the operating margin for a company with operating income of $250,000 and total sales of $1,000,000. Discuss the significance of operating margin in evaluating a company’s operational efficiency and profitability. Analyze the potential factors that could influence changes in operating margin, such as variations in sales revenue, cost of goods sold (COGS), and operating expenses. Consider the implications of a high or low operating margin for the company’s competitive position and financial performance. Discuss the strategic importance of optimizing operating margin, including managing costs, enhancing revenue growth, and improving operational efficiency. Explain how operating margin can be used in performance evaluation, benchmarking, and strategic decision-making. Discuss the limitations of operating margin and how it can be complemented with other profitability ratios.