Presume that a futures contract with 4 months to maturity is used to hedge the value of our portfolio over the next 3 months and the Index turns out

Presume that a futures contract with 4 months to maturity is used to hedge the value of our portfolio over the next 3 months and the Index turns out to be 6005 in 3 months’ time with a futures price of 6010. What is the gain from this short position?