Explain what insight does Return on Investment (ROI) give into investment performance

Please answer the following questions in APA format with at least 350 words. No cover page needed. Use in-text citations and credible online sources from accounting firms, universities in the U.S., Forbes.com or Businessweekly.com. Please also include the link/url address in which you’ve retrieved your information in the references section. What insight does ROI give into investment performance? Is it acceptable to lose profit on one product, if that product is vital to the sale of an extremely profitable product? Why? As you think about these questions, also consider what other measures beside ROI might be help in analyzing solutions to business problems – or opportunities.