The internal auditors of Tantacle Electrical Company report to the controller. Because of changes made in the past year to several of the transaction processing programs, the internal auditors created a new test data set. The external auditors requested that the old date set also be run. The internal auditors, embarrassed, explained that they overwrote the original test data set.The internal auditors of Tantacle Electrical Company report to the controller. Because of changes made in the past year to several of the transaction processing programs, the internal auditors created a new test data set. The external auditors requested that the old date set also be run. The internal auditors, embarrassed, explained that they overwrote the original test data set.

a) Outline any potential risks.

b) determine the courses of action the external auditor should take.