The following information pertains to Hope Co.'s pension plan: 

Actuarial estimate of projected benefit obligation at 1/1/11 $82,000 

Assumed discount rate 10% Service costs for 2011 $18,000 

Pension benefits paid during 2011 $15,000 

If no change in actuarial estimates occurred during 2011, Hope's projected benefit obligation at December 31, 2011 was 

a. $79,000. 

b. $90,200. 

c. $93,200. 

d. $108,200.