REQUIRED

A$.$ With the help of MS Excel, compute the values of each of the ratios in Exhibit $5\mathrm{.}26$ for Walmart for $2015$ using the financial statements available in the previous page. Walmart had $3,162$ million common shares outstanding at the end of fiscal $2015,$ and the market price per share was $$66\mathrm{.}36.$ For $2014,$ the comparable shares and price per share were $3,228$ million and $$84\mathrm{.}98,$ and for $2013,$ they were $3,233$ million and $$74\mathrm{.}68,$ respectively. For days accounts receivable outstanding, use total revenues in your calculations.

B$.$ Interpret the changes in Walmart$$s risk ratios during the three$-$year period, indicating any areas of concern.