Pension = TENSION!!

This is from schweser explanation to a Vol.2 answer(Forget the numbers mentioned): Expected return equals the expected rate of return on plan assets multiplied by the beginning 2007 fair market value of plan assets (0.075 × 327 = 25). The liability Iron Parts would owe in the event of a plan termination is the ABO, given as $570. QUESTION: I thought Expected return on plan assets = Exp. Rate of return x Beginning Market-Related Value??? Am I wrong???