idk what im doing wrong. please help

COMPARATIVE BALANCE SHEET ACCOUNTS AS OF DECEMBER 31, 2020 AND 2019 \begin{tabular}{lccc} & \multicolumn{2}{c}{ December 31} \\ \cline { 2 - 3 } Debit Accounts & 2020 & & 2019 \\ \hline Cash & $41,700 & $33,500 \\ Accounts Receivable & 69,900 & 59,800 \\ Inventory & 30,000 & 24,200 \\ Equity investments & 22,400 & 38,100 \\ Machinery & 30,100 & 18,800 \\ Buildings & 67,400 & 56,700 \\ Land & 7,600 & 7,600 \\ \cline { 4 - 4 } & $269,100 & $238,7,00 \end{tabular} Credit Accounts Allowance for Doubtful Accounts $2,200$1,500 AccumulatedDepreciation-Machinery5,5002,300 Accumulated Depreciation-Buildings 13,4008,900 Accounts Payable 35,20024,700 AccruedPayables3,4002,600 Long-Term Notes Payable 21,30031,300 Common Stock, no-par Retained Earnings Additional data (ignoring taxes): 1. Net income for the year was $41,700. 2. Cash dividends declared and paid during the year were $21,000. 3. A 20% stock dividend was declared during the year. $25,000 of retained earnings was capitalized. 4. Equity investments (level of ownership is less than 20\%) that cost $24,800 were sold during the year for $28.600. No unrealized gains and losses were recorded on these investments in 2020. 5. Machinery that cost $3,800, on which $750 of depreciation had accumulated, was sold for $2.250. Vaughn's 2020 income statement follows (ignoring taxes). Sales revenue Less: Cost of goods sold (a) Compute net cash flow from operating activities using the direct method, (Enter negative amounts using either a negotive sign preceding the number eg. 45 or parentheses e.8. (45).) Net cash flow from operating activities $ Adjustments to reconcile net income to Gain on 5ale of Investments (3800) Increase in Accounts Receivabie (Net) Increase in inventory. Increase in Accounts Payable Increase in Accrued Payables Net Cash Provided by Operating Activities Cash Flows from Investing Activities Purchase of Machinery 800 \begin{tabular}{|ll|} \hline(4600) \\ \hline \end{tabular} \begin{tabular}{|r|} \hline \hline 42550 \\ \hline \end{tabular} Cash Flows from Investing Activities Purchase of Machinery Sale of Machinery Sale of Investments Addition to Bulidings (10700) Sale of Investments Net Cash Used by Investing Activities. Cash Flows from Financing Activities Cash Flows from Financing Activities Cash Dividends Paid Reduction in Long-term Note Payable Net Cash Used by Financing Activities Net Increase in Cash (10000) 6.69/8 (21000) Cash, January 1, 2020 Cash, December 31, 2020