A company's defined benefit pension plan had a pension benefit obligation (PBO) of $265,000 on 1/1/2018. During 2018, pension benefits paid were $40,000. The discount rate for the plan for this year was 10%. Service cost for 2018 was $80,000. Plan assets (fair value) increased during the year by $45,000. The amount of PBO at December 31, 2018 was what?