3- On July 15 an investor opens a position to sell 1000 oz. of gold on December with the Chicago mercantile exchange when the Futures price is $1305 per ounce. The initial margin requirements are $6000 per contract and the Maintenance margin is $5000 per contract. On July 31 the investor closes the position. Obtain the daily gains, cumulative gains, margin balance and margin calls from the time the investor opens the position to the time that she closes it. (15 points) Trade Date Settlement Price 15-Jul 1300 16-Jul 1295.57 17-Jul 1312.95 18-Jul 1315.2 19-Jul 1305.67 20-Jul 1298.21 21-Jul 1303.87 22-Jul 1298.34 23-Jul 1314.45 24-Jul 1299.77 25-Jul 1320 26-Jul 1335.49 27-Jul 1330.47 28-Jul 1300.56 29-Jul 1301.24 30-Jul 1299.69