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Inventories
 12 Months Ended
Sep. 30, 2019
Inventories  
Inventories

Note 4.  Inventories

Inventories are stated at the lower of cost or net realizeable value. The cost of inventories is determined using the first-in, first-out (“FIFO”) method. The following is a summary of the major classes of inventories:

 

 

 

 

 

 

 

 

 

 

 

September 30, 

 

September 30, 

 

 

 

    

2018

    

2019

    

 

Raw Materials

 

$

17,897

 

$

17,935

 

 

Work-in-process

 

 

147,921

 

 

138,859

 

 

Finished Goods

 

 

105,640

 

 

100,590

 

 

Other

 

 

1,587

 

 

1,418

 

 

 

 

$

273,045

 

$

258,802