According to SFAS 158, which of the following is not a required disclosure for defined benefit pension plans?

  1. An explanation of a significant change in plan assets if not apparent from other disclosures.
  2. The amount of any unamortized prior service cost or credit not recognized in the statement of financial position (balance sheet).
  3. The effect of a two-percentage-point increase in the assumed health care cost trend rate(s).
  4. Reconciliation of beginning and ending balance of the projected benefit obligation.