Which of the following is a basic requirement for effective market segmentation?

Group of answer choices

The firm must avoid focusing on consumer$-$dependent variable, such as discretionary income, while conducting market segmentation.

The company must target a large number of small market segments so that they can develop effective strategies to appeal to them.

The market segment must present measurable purchasing power and size.

The company must expand beyond its marketing capabilities to capture those market segments that have reached the maturity stage in the product life cycle.