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Inventories | 6 Months Ended
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Nov. 30, 2023
Inventories | 3. INVENTORIES Inventories are stated at the lower of cost, determined by the first-in, first-out method, or net realizable value. The components of inventories follow:
|  | November 30, 2023 |  |  | May 31, 2023 |
Raw materials |  | $ | 67,768 |  |  | $ | 66,617 |
Work-in-process |  |  | 6,645 |  |  |  | 5,369 |
Finished and purchased goods |  |  | 94,157 |  |  |  | 68,100 |
Inventory reserve |  |  | (8,041 | ) |  |  | (6,274 | )
|  | $ | 160,529 |  |  | $ | 133,812 |

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- Definition The entire disclosure for inventory. Includes, but is not limited to, the basis of stating inventory, the method of determining inventory cost, the classes of inventory, and the nature of the cost elements included in inventory. + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Topic 330 -Name Accounting Standards Codification -Publisher FASB -URI https://asc.fasb.org//330/tableOfContent + Details
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