Answer: Materiality
Explanation: In simple words, Materiality refers to the concept of accounting and auditing which states that all material transactions should be recorded in the financial statements.
It states that financial statement should be prepared as per the accounting and auditing principles so that it would be useful to the users.
In the given case, Steve has to make sure that the net income is high in the financial statements or it would not be useful for the organisation he works for.
Hence the correct option is D.