On June 1, 2021, you bought the AA100 stock index futures contract at 1,000 and were required to put up initial margin of $8,000.The value of the contract is 1,000 times the $100 multiple, or $100,000.On the next three days, the contract's settlement price was at these levels:

day 1: 990

day 2: 965

day 3: 940

Calculate the value of your margin account on each day.

Day 0:

Day 1:

Day 2:

Day 3:

If the maintenance margin for the contract is $4,000, how much variation margin did the exchange require you to put up at the end of the third day?