Which of the following is a CORRECT statement about segmentation methods?

A. Firms are likely to use selected segmentation methods to enter into undifferetiated markets.

B. Firms are likely to use multiple segmentation methods to leverage the capacitites of each.

C. Firms are likely to use a different segmentation method depending on whether they're production, sales, or marketing oriented.

D. Firms are likely to use one or rarely two segmentation methods as an economic convenience.