Answer:
Larson did not have actual or constructive knowledge of the misstatements.
Step-by-step explanation:
When a CPA conducts an audit of a firm's statements, they do not give a guarantee that all the firm's statements are accurate. Larson CPA is only giving an opinion that the books of its clients follows the generally accepted accounting practices.
They should however not knowing give opinion on statements that they know is untrue.
So the best defense for Larson Associates is that they did not have actual or constructive knowledge of the misstatements. Since they do not guarantee that all statements of the client is accurate.