The Accumulated Benefit Obligation ABO) Is Equal to the

The accumulated benefit obligation ABO) is equal to the

A) actuarial present value of all benefits earned as of a specified date, both vested and nonvested, by employees using current salary levels in the pension plan formula.
B) actuarial present value of all benefits earned as of a specified date, both vested and nonvested, by employees using anticipated future salary levels in the pension plan formula.
C) difference between the annual pension expense and the amount actually funded during the year.
D) actuarial present value of benefits attributed by the pension plan formula to services rendered by employees during the current year.