Refer to CVS Corporation's annual report and Southwest Airlines Co.'s financial statements in the Supplement to Chapter 16. Prepare a table for the following key financial performance measures for the two most recent years for both companies. (Round to one decimal place.) Use your computations in C4 or perform those analyses if you have not done so. Total assets for Southwest in 2009 were $14,269 million.

• Profitability and total asset management: profit margin, asset turnover, return on assets

• Financial risk: debt to equity ratio

• Liquidity: cash flow yield, free cash flow

Evaluate and comment on the relative performance of the two companies with respect to each of the above categories.