The following information is related to the postretirement benefits plan of Heerey, Inc. for 2018: Service cost $ 320,000 Discount rate 8% Actual PBO, January 1, 2018 2,500,000 Estimated PBO, January 1, 2018 2, 700,000 Actual return on plan assets in 2018 104,000 Expected return on plan assets in 2018 95,600 Amortization of PSC, due to benefit increase Contributions (funding) 107,200 400,000 Benefit payments 208,000 Instructions (a) Compute the amount of postretirement expense for 2018. (Show all computations.) (b) Compute the amount of the Actual PBO at December 31, 2018.