When it comes to criteria for segmenting markets, it is important that the size and purchasing power of a market segment should be clearly identified. in other words, it should be:

measurable

Explanation:

Market segmentation is important because it allows companies to reach their customers in a more specific way depending on their needs. Market segmentation divides large markets into smaller markets that share similar characteristics, but in order for that division to be made, the market's size and purchasing power must be measurable.

For example, the needs of X% of rich families living in the suburbs will be very different from those of Y% of young single low income workers living on apartments downtown.  

answer: e

explanation:

b. condominum i think