Answer and Explanation:
The preparation of the operating activities section of the statement of cash flows for the year ended December 31, 2020 is presented below;
Cash flow from operating activities
Net income $1,580,000
Add: depreciation expense $58,970
Add: decrease in account receivable $313,770
Less: Increase in prepaid expense -$167,640
Less: Decrease in account payable -$279,000
Less: decrease in accrued expense payable -$124,020
Add: Decrease in inventory $380,000 ($1,880,000 - $1,500,000)
Cash flow provided by operating activities $1,762,080