REFERENCE: Ref.11_05 A Company Sells a Building to a Bank in 2008

REFERENCE: Ref.11_05
A company sells a building to a bank in 2008 at a gain of $100,000 and immediately leases the building back for period of five years.The lease is accounted for as an operating lease.The building was originally purchased for $200,000 and currently has a book value of $50,000.
-What amount should be recognized in 2008 as a gain on the sale using U.S.GAAP?

A) $20,000.
B) $50,000.
C) $100,000.
D) $150,000.
E) $200,000.