For the company COSTCO

4. Analyze profitability and risk using financial statement information Include a chart that compares for 2 years significant financial ratios, including time-series and percent change analysis. Display 10 ratios covered during the semester, including ROA, ROCE, both disaggregated, and z-score. Comment on any significant changes. Ratios should be supported by detailed calculations on a separate excel worksheet. Include similar ratios for one key competitor for the latest fiscal year,