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Inventories
 9 Months Ended
Sep. 30, 2017
Inventories  
Inventories

3.Inventories

 

The major components of inventories are as follows:

 

 

 

 

 

 

 

 

 

 

    

Sep 30, 2017

    

Dec 31, 2016

 

 

 

 

 

 

 

 

 

Raw materials

 

$

1,731,599

 

$

1,438,471

 

Work-in-progress

 

 

406,683

 

 

355,208

 

Finished goods

 

 

1,570,450

 

 

1,319,856

 

Reduction to LIFO cost

 

 

(1,162,423)

 

 

(1,127,363)

 

 

 

 

 

 

 

 

 

Total Inventories

 

$

2,546,309

 

$

1,986,172