| 2022/3 | 2023/3 |
Cash flows from operating activities | | |
Profit before income taxes | 553,953 | 438,376 |
Depreciation | 211,554 | 195,569 |
Impairment losses | - | 16,302 |
Increase (decrease) in provision for bonuses | 21,676 | 6,562 |
Increase (decrease) in allowance for doubtful accounts | -6,949 | -1,652 |
Increase (decrease) in provision for product warranties | 6,668 | -7,650 |
Increase (decrease) in provision for loss on construction contracts | -1,280 | 36,124 |
Interest and dividend income | -20,578 | -36,928 |
Subsidy income | -41,926 | -4,439 |
Retirement benefits for directors (and other officers) | - | 36,681 |
Interest expenses | 2,562 | 1,421 |
Loss (gain) on sale of non-current assets | -163 | - |
Loss on retirement of non-current assets | 2 | 838 |
Loss on liquidation of business | 23,704 | - |
Decrease (increase) in notes and accounts receivable-trade and contract assets | 317,100 | 758,238 |
Decrease (increase) in inventories | 638,342 | -552,472 |
Decrease (increase) in accounts receivable - other | 15,134 | -7,306 |
Decrease (increase) in advance payments to suppliers | -56,549 | 63,826 |
Increase (decrease) in trade payables | 54,589 | 63,824 |
Increase/decrease in consumption taxes payable/consumption taxes refund receivable | 4,191 | -45,399 |
Increase (decrease) in accounts payable - other | 121,552 | -22,183 |
Increase (decrease) in contract liabilities | 189,425 | 64,518 |
Other, net | -51,482 | -24,068 |
Subtotal | 1,981,527 | 980,184 |
Interest and dividends received | 20,578 | 36,928 |
Interest paid | -2,388 | -1,419 |
Subsidies received | 41,926 | 4,439 |
Payments of retirement benefits for directors (and other officers) | - | -70,875 |
Income taxes paid | -305,267 | -377,325 |
Income taxes refund | 7,518 | 17,891 |
Net cash provided by (used in) operating activities | 1,743,894 | 589,823 |
Cash flows from investing activities | | |
Proceeds from withdrawal of time deposits | 36,000 | - |
Purchase of property, plant and equipment | -103,549 | -51,488 |
Proceeds from sale of property, plant and equipment | 19,125 | - |
Purchase of intangible assets | -8,184 | -3,468 |
Other, net | 9,574 | -8,338 |
Net cash provided by (used in) investing activities | -47,034 | -63,295 |
Cash flows from financing activities | | |
Net increase (decrease) in short-term borrowings | -30,000 | - |
Repayments of long-term borrowings | -113,416 | -19,814 |
Repayments of lease liabilities | -1,062 | -1,593 |
Dividends paid | -126,832 | -145,059 |
Net cash provided by (used in) financing activities | -271,311 | -166,467 |
Effect of exchange rate change on cash and cash equivalents | 8,303 | -2,538 |
Net increase (decrease) in cash and cash equivalents | 1,433,851 | 357,522 |
Cash and cash equivalents at beginning of period | 6,417,163 | 7,851,015 |
Cash and cash equivalents at end of period | 7,851,015 | 8,208,538 |