Assume the following pension data for year 2019: Service cost $105,000 Contribution $90,000 Actual return $70,000 Benefits $40,000 Plan assets 1/1/19 $700,000 PBO 1/1/19 $810,000 Interest rate 10% a) Compute pension expense, PBO 12/31/19 and PA 12/31/19. Show computations (I recommend a worksheet). Prepare separate journal entries for b) Pension expense c) Cash contribution d) Benefits paid