Back in the Early 1980s,TipeRite Typewriters Were Popular Among Students

Back in the early 1980s,TipeRite typewriters were popular among students because they were solid but inexpensive.TipeRite was able to make a profit despite its low prices because it kept its costs low.But in the late 1980s and 1990s,more and more students abandoned typewriters and began using personal computers and word processing software.Even though the new technology was much more expensive than typewriters,it was also much more versatile and powerful.Soon TipeRite couldn't find anyone to buy its products despite their low prices.The company's trouble illustrates which of the following?

A) Efficiency doesn't guarantee success if other firms provide products of greater value.
B) Goods require efficiency while services require effectiveness.
C) It is more important to be efficient than it is to be effective.
D) Effectiveness is no longer a relevant concept when technology changes.