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CONDENSED CONSOLIDATED STATEMENTS OF CASH FLOWS - USD ($) $ in Thousands | 9 Months Ended
--- | ---
May 31, 2022 | May 31, 2021
Cash flows from operating activities |  |
Net income | $ 11,522 | $ 9,477
Adjustments to reconcile net income to net cash provided by operating activities |  |
Depreciation and amortization | 2,724 | 2,662
Change in value of contingent consideration | 283 | 364
Amortization of investment premiums | 1,493 | 1,752
Stock-based compensation | 2,279 | 2,041
Deferred income taxes | (46) | (84)
Currency translation adjustments | (251) | 36
(Increase) decrease in |  |
Accounts receivable | (8,736) | (5,540)
Prepaid income taxes | 690 | 478
Prepaid expenses and other assets | 1,208 | (796)
Accounts payable | 32 | (51)
Accrued payroll and other expenses | (2,657) | 363
Deferred revenue | 1,432 | 228
Net cash provided by operating activities | 9,973 | 10,930
Cash flows from investing activities |  |
Purchases of property and equipment | (740) | (966)
Purchases of short-term investments | (70,924) | (63,964)
Proceeds from sale of short-term investments | 75,932 | 68,068
Capitalized computer software development costs | (2,266) | (2,273)
Net cash provided by investing activities | 2,002 | 865
Cash flows from financing activities |  |
Payment of dividends | (3,632) | (3,603)
Payments on contracts payable | (3,667) | 0
Proceeds from the exercise of stock options | 693 | 1,412
Net cash used in financing activities | (6,606) | (2,191)
Net increase in cash and cash equivalents | 5,369 | 9,604
Cash and cash equivalents, beginning of year | 36,984 | 49,207
Cash and cash equivalents, end of period | 42,353 | 58,811
Supplemental disclosures of cash flow information |  |
Income taxes paid | 2,001 | 893
Non-cash investing and financing activities |  |
Right of use assets capitalized | $ 624 | $ 905

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