Inventory levels for Amazon had a fast turnover rate. They sold more than they had in stock in 2010 than they had in 2009. The Accounts Receivable Turnover is calculated by taking net sales and dividing it by the average net A/R. Accounts receivable turnover tells how many times during the year average receivables were turned into cash. It the measures the ability to collect cash from customers. In the accounts receivable for Amazon it shows that in 2010 they had a lot more of an income than 2009. There had begun a rise of buying stuff online, which helped to increase the profits for Amazon in that year. .
The days' sales in average receivables ratio is calculated by taking net sales and dividing it by the number of days in a year (365). Then after that you use this that calculate and plug it into the equation to figure out the days' sales receivables. You do that by taking the average net accounts receivable divided by one day's sales. After doing that you should get your days' sales in receivables for that day. By analyzing this in the company Amazon they had a lower receivable balance which means for they had a better cash flow.
Debt ratio is calculated by taking the total liabilities and dividing it by the total assets. The debt ratio tells us the proportion of assets financed with debt. The higher the debt ratio, the greater the pressure to pay interest and principal. The lower the ratio, the lower the risk to shareholders. In the case for Amazon they had a lower ratio so they did not affect shareholders that much. Times-Interest-Earned ratio is calculated by taking income from operations dividing it by interest expense. This ratio measures the number of times operating income can cover interest expenses. A high ratio indicates ease in paying interest, and a low value suggests difficulty. Amazon had a high interest expense which means it paid a lot of interest due to the selling of so many products.