Which of the following statements is not correct about materiality?

a. The concept of materiality recognizes that some matters are important for fair presentation of financial statements in conformity with GAAP, while other matters are not important.

b. An auditor considers materiality for planning purposes in terms of the largest aggregate level of misstatements that could be material to any one of the financial statements.

c. Materiality judgments are made in light of surrounding circumstances and necessarily involve both quantitative and qualitative judgments.

d. An auditor's consideration of materiality is influenced by the auditor's perception of the needs of a reasonable person who will rely on the financial statements.