Locate the income statement of a company in each of the following industries: pharmaceutical, technology, retailer—groceries, and automobile manufacturer. (See Chapter 1 for help in locating a company’s financial statements.) Calculate the gross profit margin, operating profit margin, and net profit margin for all companies. Write a short essay explaining the differences you find between the profit margins calculated and why you think the profit margins differ.

Make sure you include your calculations and analyze 4 companies. Cite your references.