Are large-scale high-speed centralized computers, used for internal corporate data processing needs.

Logan is an employee who processes health insurance forms. initially he was criticized by his supervisor for sloppy work, but thereafter he improved considerably. now he consistently processes his forms without errors and even does more than his fair share of work. however, logan's supervisor has not responded to the extra effort he has put in, giving him no praise or monetary benefits. this leads logan to believe that his supervisor is biased against him. according to the expectancy theory, in this situation, there is a problem in the relationship. a) rewards-personal goals b) performance-awarenessc) performance-rewardd) performance-objectivese) performance-achievement