By how much has my margin account changed?

Suppose that you have taken a long position in three contracts (size = 100 oz) of 6 month gold futures. The price of one oz of gold when you take on the long position is $32, and the 6 month futures price of gold is $35. After one month, the price of one oz of gold is $30, the 6 month futures price is $38, and the 5 month futures price is $36. By how much has your margin account changed