Question $9$

$2\mathrm{.}5$ pts

When light bulbs were first introduced, manufacturers offered one size for all light fixtures. Today you can buy light bulbs in different shapes, different wattages, and different colors. They also differ as to how much electricity they use and how many hours of illumination they will provide before failing. Light bulb manufacturers:

$$ miss sales by not concentrating on the average customer

recognize different customer groups have different needs and wants

are sales$-$oriented companies

$$ are companies that would state they are in the business of selling bulbs