21. Phillip Company has a defined benefit pension plan. At the end of the reporting year, the following data were available: beginning PBO, $75,000; service cost, $18,000; interest cost, $5,000; benefits paid for the year, $9,000; ending PBO, \$89,000; the expected return on plan assets, $10,000; and cash deposited with pension trustee, $17,000. There were no other pension-related costs. The journal entry to record the annual pension costs will include a credit to the PBO for: A. $23,000. B. $17,000. C. $18,000. D. $13,000