Final answer:
Transfer agents and registrars provide the auditor with evidence on shares issued and outstanding.
Step-by-step explanation:
A transfer agent and a registrar are most likely to provide the auditor with evidence on shares issued and outstanding. Transfer agents and registrars are responsible for maintaining accurate records of a company's shareholders and their ownership of shares.
They can provide the auditor with information on the number of shares issued, the number of shares outstanding, and any changes in ownership.