A Hedger Takes a Long Position in a Futures Contract

A hedger takes a long position in a futures contract on a commodity on November 1,2012 to hedge an exposure on March 1,2013.The initial futures price is $60.On December 31,2012 the futures price is $61.On March 1,2013 it is $64.The contract is closed out on March 1,2013.What gain is recognized in the accounting year January 1 to December 31,2013? Each contract is on 1000 units of the commodity.

A) $0
B) $1,000
C) $3,000
D) $4,000