Select Microsoft company and retrieve its financial statements from Yahoo Finance or other internet sources. Now calculate the following ratios for three consecutive years :

$1.$ Current ratio

$2.$ Quick ratio

$3.$ Inventory turnover

$4.$ Total assets turnover

$5.$ Days sales outstanding

$6.$ Profit margin

$7.$ Total debt ratio

$8.$ Return on assets

$9.$ Return on equity

$10.$ Recalculate return on equity using Dupont identity

For each of the ratios interpret your results and discuss if the trend is positive or negative.