cash collected from customers using the following information compute cash collected 691890

Sales                                                                       

$10,000

Cost of goods sold                                                            

5,300

Operating expenses                                                            

3,800

End of Year

Beginning of Year

Prepaid operating expenses                              

$1,000

$ 700

Accounts payable                                     

1,350

1,200

Inventory                                           

2,500

2,100

Accounts receivable                                   

1,400

1,375