$4-22$ RATIO ANALYSIS Data for Barry Computer Co$.$ and its industry averages follow.

a$.$ Calculate the indicated ratios for Barry.

b$.$ Construct the DuPont equation for both Barry and the industry.

c$.$ Outline Barry's strengths and weaknesses as revealed by your analysis.

d$.$ Suppose Barry had doubled its sales as well as its inventories, accounts receivable, and common equity during $2008.$ How would that information affect the validity of your ratio analysis? $($Hint: Think about averages and the effects of rapid growth on ratios if averages are not used. No calculations are needed.$)$

Barry Computer Company: Balance Sheet as of December $31,2008($In Thousands$)$

$\backslash$table$[[$Cash$,$$$77,500,$Accounts payable,$$129,000$