in the month of August, a firm had total cash receipts of $10,000, total cash disbursements of $8,000, depreciation expense of $1000, a minimum cash balance of $3,000, and a beginning cash balance of $500. The excess cash balance (required financing) for August is: a) required total financing of $500 b) required total financing of $3500 c) excess cash balance of $500 d) excess cash balance of $5500. PLEASE SHOW CALCULATIONS.