Financial Statement Analysis for Gross Profit Margin: A company's sales revenue for the year was $500,000, and its cost of goods sold (COGS) was $300,000. Calculate the company's gross profit margin and discuss how this profitability ratio reflects the company's pricing strategy and cost structure. Analyze factors that may influence gross profit margin, such as changes in sales volume, pricing decisions, and cost control measures, and their implications for financial performance.