Please answer both

1. On Tuesday morning a trader sells a March 2023 futures contract on Brent crude oil at $87.80 per barrel (the contract size is 1,000 barrels). The initial margin requirement is $8,600, and the maintenance margin requirement is $6,500 per contract. What will be the balance on the trader's margin account after Tuesday's close if the close price is $88.50?

$5,800 $7,200 $7,900 $9,300

2.