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EARNINGS PER SHARE (Tables) | 6 Months Ended
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Mar. 31, 2022
EARNINGS PER SHARE |
Schedule of net earnings per share available to common shareholders | ​
​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​
​ | ​ | For the three months ended March
​ | ​ | 2022 | ​ | 2021
​ |  | Basic |  | Diluted |  | Basic |  | Diluted
Weighted average number of common shares outstanding | ​ | ​ | 567,889 | ​ | ​ | 567,889 | ​ | ​ | 551,369 | ​ | ​ | 551,369
Weighted average net additional shares outstanding assuming dilutive options exercised and proceeds used to purchase treasury stock (1) | ​ | ​ | — | ​ | ​ | 10,862 | ​ | ​ | — | ​ | ​ | 9,572
Weighted average number of shares outstanding | ​ | ​ | 567,889 | ​ | ​ | 578,751 | ​ | ​ | 551,369 | ​ | ​ | 560,941
Net income available to common shareholders | ​ | $ | 3,006,182 | ​ | $ | 3,006,182 | ​ | $ | 2,428,908 | ​ | $ | 2,428,908
​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​
Net earnings per share available to common shareholders | ​ | $ | 5.29 | ​ | $ | 5.19 | ​ | $ | 4.41 | ​ | $ | 4.33
(1) | Diluted earnings per share calculation includes all equity-based awards deemed to be dilutive.
​
​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​
​ | ​ | For the six months ended March
​ | ​ | 2022 | ​ | 2021
​ |  | Basic |  | Diluted |  | Basic |  | Diluted
Weighted average number of common shares outstanding | ​ | ​ | 565,694 | ​ | ​ | 565,694 | ​ | ​ | 549,729 | ​ | ​ | 549,729
Weighted average net additional shares outstanding assuming dilutive options exercised and proceeds used to purchase treasury stock (1) | ​ | ​ | — | ​ | ​ | 15,634 | ​ | ​ | — | ​ | ​ | 8,012
Weighted average number of shares outstanding | ​ | ​ | 565,694 | ​ | ​ | 581,328 | ​ | ​ | 549,729 | ​ | ​ | 557,741
Net income available to common shareholders | ​ | $ | 6,007,238 | ​ | $ | 6,007,238 | ​ | $ | 5,506,518 | ​ | $ | 5,506,518
​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​
Net earnings per share available to common shareholders | ​ | $ | 10.62 | ​ | $ | 10.33 | ​ | $ | 10.02 | ​ | $ | 9.87
(1)Diluted earnings per share calculation includes all equity-based awards deemed to be dilutive.

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- Definition Tabular disclosure of an entity's basic and diluted earnings per share calculations, including a reconciliation of numerators and denominators of the basic and diluted per-share computations for income from continuing operations. + References Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef -Publisher FASB -Name Accounting Standards Codification -Topic 260 -SubTopic 10 -Section 50 -Paragraph 1 -Subparagraph (a) -URI http://asc.fasb.org/extlink&oid=6371337&loc=d3e3550-109257 + Details
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