Financial mangers refer to financial charts to protect the investments they manage. Marketing firms must use surveys to uncover who their target audience is, what they want, and how much they are willing to pay for it. Advertisers use marketing data to decide how to motivate their target audience to buy their product and not a competitor's product. Accountants use marketing data to decide how to motivate their target audience to buy their product and not a competitor's product. Accountants use many kinds of data management tools to provide accurate reports of how money is flowing into, and out of, various business and personal account. Business owners and managers must properly interpret the numbers from financial reports, marketing/advertising reports, and accounting reports to make smart business decisions. Medical researchers and healthcare professionals need to report accurate statistics into their data management systems and then accurately interpret the reports produced by the systems to provide the best healthcare at reasonable costs