on January 1 2011, Newlin co has the following balances

Pbo 1,800,000 credit pension is 300,000 underfunded at jan 1 20111 oci-gl has a credit balance of $250, 000 Jan 1 2011

additional info service life of employees is 100 years

settlement rate is 8%other data relate to the pension plan for 2011 are:

Service cost 280,000

amoritization of prior service costs due to increase in benefits 75,000

contributions 105,000

benefits paid 300,000

expected return on plan assets 237,000

actual return on plan assets 245,000

(A) find pbo balance at dec 31. 2013 :

I have 1,924,000 for the balance please tell me if i am correct

(B) Find fair value of plan assets at dec 31 2013:

I have 2,150,000 am I correct?

(C) calucalate pension expense for 2013 w corridor

please help show every step this part i am wrecking my brain with how to account for the corridor portion and formulate the problem