Answer:
The answer is substantial.
Step-by-step explanation:
Substantial, in the context of market segment, means that there are a number of people who are able to purchase the product based on the set price, and that there are a sufficient number of them for the business to make a worthwhile profit. Measuring how substantial a market segment is would help businesses determine market segments in a more effective manner, alongside criteria such as measurable, accessible, and actionable.