At the close of futures trading on February 3, 2022, a clearing house member is long 100 contracts and the settlement price is $50,000 per contract. The original margin is $2,500 per contract. On February 4, 2022, the member becomes responsible for clearing an additional 20 long contracts, entered into at a price of $50100 per contract. The settlement price for February 4, 2022 is $54145. What is the change to the required balance of the member's margin account with the exchange clearing house? (Note that the clearing house member would typically be handling multiple retail trading clients. This question is about a clearing house member, not an individual trader.) Enter your answer in dollars without the dollar sign or the thousand separator (,) If the change is an increase, enter a positive number. If the change is a decrease, enter a negative number