Why is my end-of-year cash balance not balancing? (See screenshots). My result is $77,873, but the result should be $91,450.

Statement of Cash Flows (in thousands of dollars 2016 Operating Activities Net Income Adjustments $23,850 Noncash adjustment: Depreciation $6,700 Due to changes in working capital Due to change in accounts receivable Due to change in inventories Due to change in accounts payable Due to change in accruals ($22,943) ($3,468 $7,652 $7,749 $19,540 Net cash provided (used) by operating activities Cash used to acquire gross fixed assets Due to change in short-term investments Net cash provided (used) by investing activities ($31,264) $3,700 ($27,564) inancing Activities Due to change in notes payable ($1,500 $16,349 $10,000 $5,962.50 S30,812 Due to change in long-term debt Due to change in common stock Payment of common dividends Net cash provided (used) by financing activities Net increase/decrease in cash Add: Cash balance at the beginning of the year Cash balance at the end of the year $3,248 $74,625 $77,873 Check: cash balance in statement of cash flows should equal the cash on balance sheets as shown here $91,450