Presented below is information related to Kiwi Ltd. for calendar 2020. The corporation uses IFRS. Defined benefit obligation, Jan 1................................. $ 720,000 Fair value of plan assets, Jan 1..................................... 700,000 Current service cost...................................................... 90,000 Contributions to plan................................................... 125,000 Actual and expected return on plan assets................. 56,000 Past service costs (effective Jan 1)............................... 10,000 Benefits paid to retirees............................................... 96,000 Interest (discount) rate................................................. 9% The balance of the defined benefit obligation at December 31, 2020 is a. $ 779,700. b. $ 778,800. c. $ 724,000. d. $ 789,700.