Joan Had Been Using WordPerfect 5

Multiple Choice

Joan had been using WordPerfect 5.1 for DOS for several years and was quite an expert in it.When her boss wanted her to change to a Windows-based system,Joan told him that it would slow her down and it would cost a lot of money to be trained on using such a new system.The is an example of

A) consumer irrationality.
B) high switching costs.
C) technical influence.
D) early entry continuation.