Performing a Post-Audit Is Important Because

Performing a post-audit is important because

A) managers will be more likely to submit reasonable data when they make investment proposals if they know their estimates will be compared to actual results.
B) it provides a formal mechanism by which the company can determine whether existing projects should be terminated.
C) it improves the development of future investment proposals because managers improve their estimation techniques by evaluating their past successes and failures.
D) all of these.