Which of the following records shall be available for inspection by the department upon request?

The correct choice indicates that hire dates for registered employees must be made available for inspection by the department upon request. This requirement is usually rooted in compliance and regulatory standards, which necessitate that businesses keep accurate and accessible records regarding their workforce, particularly those related to registration and employment status.

Accurate hire date records help ensure compliance with labor laws, verify that employees meet necessary qualifications, and maintain transparency in employment practices. Such records can assist in various regulatory audits or inquiries regarding business operations, worker protections, and adherence to labor regulations.

In contrast, internal profit margins, customer feedback records, and annual financial statements, while informative and useful for business operations, are typically considered sensitive or proprietary information, which may not be subject to the same level of scrutiny or requirement for disclosure as employee hire dates. Thus, the emphasis on employee hire dates aligns with regulatory goals of protecting worker rights and ensuring lawful employment practices.