Answer: profitability
Explanation: profitability measures the return made from one's investment in a particular business or endeavor. The gain or yield accrued will differ from one investment or market segment to the other. In the scenario described above, Caroline has identified some potential markets which she is probably looking forward to dive into. However, studying the profitability of each market segment is essential and can be determined based on factors such the rate or speed at which the market is growing as this will determine the demand, how competitive the market is as competitiveness plays a role in an investors level of preparedness and the market access. Other factors to determine profitability may include ; government regulation, seasonality of product and so on.