Managerial Accouting Chapter 13. Thank you

According to the producer price index database maintained by the Bureau of Labor Statistics, the average cost of computer equipment fell 4.8 percent between 2009 and 2010. Let's see whether these changes are reflected in the income statement of Computer Tycoon Inc. for the year ended December 31, 2010. Compute the times interest earned ratios for 2009 and 2010