10. When auditing through the information system (auditing through computer) and using the test data approach:

a. the data selected as evidence must remain in the client's books.

b. the data that serves as evidence (test data) must include both those that the system must accept and those that it must reject, once processed.

C. There is no such approach.

d. the application programs used should be tested to see if they are identical to the ones the client uses