An investor entered a long position in one futures contract on gold on day 0. The delivery date of futures is one year from day 0. One contract is for delivery of 100 ounces of gold, and the required initial margin is $4,000. The followings are futures prices for the next two days. What is the balance in the margin account at the end of day 2?

Day	Futures Price ($ per ounce)
0	1,250
1	1,237
2	1,245