Final answer:
Without a power of attorney, all employees mentioned in the options are authorized to sign Form 941, except for the company's Principal corporate officer.
Step-by-step explanation:
Without a power of attorney, all employees mentioned in the options are authorized to sign Form 941, except for the company's Principal corporate officer. In general, a power of attorney is a legal document that authorizes someone to act on behalf of another person, granting them the authority to make decisions and sign documents. However, the Principal corporate officer is usually the highest-ranking officer in a corporation, and they have the authority to sign official documents without the need for a power of attorney.