Which of the Following Statements About Pension Plan Disclosures Is

Which of the following statements about pension plan disclosures is true?

A) The difference between the projected benefit obligation and the plan assets at fair value represents the unfunded status of the plan reported on the balance sheet.
B) Public entities are not required to disclose the components of net pension benefit cost.
C) The footnote must disclose assumptions used for discount rates and expected return on assets on a weighted average basis.
D) Nonpublic entities must separately disclose the components of net pension benefit cost.