Financial Statement Analysis for Operating Efficiency Ratios: A company's financial statements show cost of goods sold (COGS) of $1,000,000, average inventory of $200,000, and average accounts payable of $150,000. Calculate the company's inventory turnover ratio and accounts payable turnover ratio, and discuss how these operating efficiency ratios assess the company's inventory management and creditor payment practices. Analyze strategies to improve inventory turnover and accounts payable turnover for enhancing operating efficiency and cash flow management.