Q1- On 9/24 at the end of the day, you sold (took a short position in) 1 futures contract (one contract is agreement to buy or sell Euros 125,000) at a rate of USD 1.15 per Euro, contract expires on 10/18. Initial margin=$2,875 and maintenance margin is $2,150. On 9/25 and 9/26, the futures rate expiring on 10/18 is USD 1.155, and USD 1.165 respectively. As per Marked to Market daily mechanism of currency futures contracts, what shall be your margin account balance at the end of 1/25(Assuming that you'll not withdraw money from your margin account and you do not earn interest on your margin account)?

Continued from Q 1, what shall be your margin account balance at the end of 9/26(Assuming that you'll not withdraw money from your margin account, and you do not earn interest on your margin account)?