Perform a financial statement analysis of Pfizer Company for the period 2015 2019. Your analysis should be separated by the various categories of financial ratios; for example: marketability, profitability, leverage etc. Be conclusive in your analysis by commenting on the strengths and weaknesses of the company and giving a final opinion on the companys overall financial health as compared to the most recent industry statistics (yahoo finance or Wall Street Journal can be used for this). Your analysis should also consider whether any external factors impact/will impact the performance of Pfizer business.