Answer:
a. want to avoid potential disputes.
Explanation:
The auditors are liable to report all the acts of the company, whether are in confirmation of law or not. This is because it is their duty to put a review on the balance sheet, and provide the users of such balance sheet the trust on the information presented.
Even if the agreement do not provide for complete details making it a valid contract this is sure that they need to act properly so that any moral dispute do not occur and that, all the work is done according to the responsibilities.