an investor in the futures market enters into a short wheat futures contract on may 6. the expiration of the contract is august 6 and it is for the delivery of 1,000 bushels of corn. the initial margin for the contract is $7,500 and the maintenance margin is $6,500. the contract will be marked to market on a monthly basis. listed below are the contract delivery prices (in dollars per bushel) on each settlement date. what is the net gain/loss on the position (this is the total g/l at the end of the position) as of august 6th?