P20-7B (Pension Worksheet) Mangrove Corp. sponsors a defined benefit pension plan for its employees. On January 1, 2014 the following balances related to this plan As a result of the operation of the plan during 2014, the actuary provided the following additional data at December31, 2014. Instructions Using the preceding data, compute pension expense for Mangrove Corp. for the year 2014 by preparing a pension worksheet that shows the journal entry for pension expense. Use the market-related asset value to compute the expected return and for corridor amortization. P20-7B (Pension Worksheet) Mangrove Corp. sponsors a defined benefit pension plan for its employees. On January 1, 2014 the following balances related to this plan As a result of the operation of the plan during 2014, the actuary provided the following additional data at December31, 2014. Instructions Using the preceding data, compute pension expense for Mangrove Corp. for the year 2014 by preparing a pension worksheet that shows the journal entry for pension expense. Use the market-related asset value to compute the expected return and for corridor amortization