You are long 10 gold futures contracts, established at an initial settle price of $1,600 per ounce, where each contract represents 100 ounces. Over the subsequent four trading days, gold settles at $1,610, $1,597, $1,595, and $1,600, respectively. What is the profit or loss (or cash flows for the margin account) for each day? -$10,000: +$13,000: $2.000:-$5,000 $10,000; -$3,000; -$5,000: 0 O $10,000; -$13,000; -$2,000; $5,000