Answer:
Cash flow :
For Case A = $27,450
Case B = $14,000
Case C = $25,000
Explanation:
As per the data given in the question,
                                                                 Case A          Case B         Case C
Cash collected from customers            $712,000      $555,000     $97,500
Cash payment to suppliers                  -$40,000      -$25,500      -$65,200
Cash payment for operating expense -$3,750        -$16,000       -$7,300
Net cash provided by operating activities $27,450 $14,000         $25,000
Where,
Cash received from customers = Net sales + dec. in account receivable - inc. in accounts receivable
Cash paid to suppliers = COG sold + inc. in inventory + dec. in accounts payable - dec. in inventory - inc. in accounts payable
Cash paid for operating expense = operating expense - Depreciation + inc. in prepaid expense + dec. in accrued expenses payable - inc. in accounts payable - inc. in accrued expenses payable