Amazon’s inventory increased from $3.2 billion on December 31, 2010, to $5.0 billion one year later. In addition, sales for the fourth quarter of those years increased from $12.9 billion in 2010 to $17.4 billion in 2011. What is the implied annualized inventory turnover for Amazon for these years? What different interpretations about future performance could a financial analyst infer from this change? What information could Amazon’s management provide to investors to clarify the change in inventory turnover? What are the costs and benefits to Amazon from disclosing this information? What issues does this change raise for the auditor? What additional tests would you want to conduct as Amazon’s auditor?