An investor shorts one S&P500 future contract at 3,565.25, that same day the contract settlesat 3,566.50 and in the next three days is settles at 3,557.00, 3,554.50 and 3,561.00. With an initial margin of $22,5000 and maintenance margin of $20,000; The S&P500 contract multiple is $250. Show the investors four days of marking to market cash flow and margin level and profit after four days