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SUMMARY OF SIGNIFICANT ACCOUNTING POLICIES (Tables)
3 Months Ended
Mar. 31, 2023
SUMMARY OF SIGNIFICANT ACCOUNTING POLICIES  
Schedule of inventories, net of reserves

March 31, 

December 31, 

    

2023

    

2022

Chassis

$

18,125

$

18,604

Raw materials

 

77,852

 

75,934

Work in process

 

42,588

 

40,655

Finished goods

 

25,866

 

18,463

$

164,431

$

153,656