You are short 25 gasoline futures contracts, established at an initial settle price of $2.01 per gallon, where each contract represents 42,000 gallons. Over the subsequent four trading days, gasoline settles at $2.03, $1.98, $2.02, and $2.07, respectively. Compute the cash flows at the end of each trading day and your total profit or loss at the end of the trading period.