Answer:
B. Plant management.
Step-by-step explanation:
Intern auditors are employees of an organization saddled with the responsibility of reviewing the organization internal controls, policy documents and accounting processes. One of the aim of having internal auditor is to ensure that the organization is not at risk of financial loss, breach of government regulations.etc.
The role internal auditor is to review operations, systems, policies whether they conform with laws and regulations, data collection and financial reporting.
Where an internal auditor notices a serious problem identified with emission, the first report should be made to plant management.
This is to ensure that the anomaly observed is promptly corrected otherwise would form part of the final report to be presented to the board of directors.