Formatting financial statements in commn size can eliminate inherent bias' that usually occurs whenever analyzing companies of differing sizes. Common size also allows for the analysis of a company over various time periods rapidly, e.g. revealing what percentage of sales is cost of goods sold and how that value has changed over time.
Best Buy Co Inc, https://investors.bestbuy.com/investor-relations/overview/de, SIC Code: 5722, HOUSEHOLD APPLIANCE STORES
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