Margin call help please with work shown

2. A T-bond futures contract has a face value of $100,000, currently it is priced at 109-12. The initial margin is 3,713, and maintenance margin is $2,750. Mark longs ten T-note futures contract and Cindy shorts ten T-note futures contract. Monday's close is 110-21, and Tuesday's close is 108-25. a. What are the margin balances for Mark and Cindy on Monday? Who will get a margin call, by how much? b. What are the margin balances for Mark and Cindy on Tuesday? Who will get a margin call, by how much