You have taken a long position in a futures contract on corn at $2.60 per bushel. Over the next 5 days the contract settled at 2.52, 2.57, 2.62, 2.68, and 2.70. You then decide to reverse your position in the futures market on the fifth day at close. What is the net amount you receive at the end of 5 days? What if you had short position initially?