When Light Bulbs Were First Introduced,manufacturers Offered One Size for All

Multiple Choice

When light bulbs were first introduced,manufacturers offered one size for all light fixtures.Today you can buy light bulbs in different shapes,wattages,and colours.Light bulbs also differ as to how much electricity they use and how many hours of illumination they will provide before failing.Which of the following demonstrates how light bulb manufacturers practice the marketing concept?

A) They target only the largest customers.
B) They recognize different customer groups have different needs and wants.
C) They are sales-oriented companies instead of production-oriented companies.
D) They are companies that would state they are in the business of selling all light bulbs.