Which of the Following Plays a Positive Role in Improving

Multiple Choice

Which of the following plays a positive role in improving the performance of a task supported by an information system?

A) replacing current system equipments with the most expensive ones on the market;
B) sending out the task-doers to do a market study on other similar systems
C) changing the work partner of the task doer
D) relocating the task-doer to a never-been place to perform the task;
E) enhancing the (internal, external, and analogous) consistency of the system