Problem location and definition is the first step toward finding a solution to a marketing problem or launching a research study. Which of the following is true about the first sign of a problem?The first sign of a problem involves an informed guess or assumption about a certain set of circumstances.The first sign of a problem is usually accompanied by a cost$/$benefit analysis. The first sign of a problem most often comes in the form of customer complaints.The first sign of a problem is often mentioned in secondary data reports, such as trade journals.The first sign of a problem is typically a departure from some normal function, such as a failure to attain objectives.