Answer:
$726,100
Step-by-step explanation:
Preparation of the operating activities section of the 2021 statement of cash flows.
Cash Flow from Operating Activities 
Net Income $634,000 
Adjustments: 
Depreciation and amortization $89,000 
Changes in operating asset and liabilities 
Decrease in Account receivable $24,000 
Increase in Inventory $ (9,400) 
Increase in Prepaid expenses $ (8,700) 
Increase in Salaries payable $10,200 
Decrease in Income tax payable $ (13,000) 
Operating activities $726,100
Therefore the operating activities section of the 2021 statement of cash flows will be $726,100