text: 2 Based upon our effective tax rate multiplied by the net operating profit for the 12 fiscal months ended January 31, 2015, February 1, 2014, February 2, 2013, January 28, 2012 
  and January 29, 2011. 
  
  3 Based upon the trailing 12-month average. 
  4 Based upon the trailing 12-month average for accounts payable, accrued salaries, wages and related benefits, and other current liabilities. 
  5 Based upon the trailing 12-month average of the monthly asset base. The asset base for each month is calculated as the trailing 12 months of rent expense multiplied by eight. 
  The multiple of eight times rent expense is a commonly used method of estimating the asset base we would record for our capitalized operating leases described in footnote 1. 