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Inventories (Tables)
9 Months Ended
Apr. 30, 2019
Inventory Disclosure [Abstract]  
Schedule of Major Classifications of Inventories
Major classifications of inventories are as follows:
 
 
 
April 30, 2019
 
 
July 31, 2018
 
Finished goods – RV
 
$
269,269
 
 
$
44,998
 
Finished goods – other
 
 
63,656
 
 
 
35,320
 
Work in process
 
 
138,711
 
 
 
124,703
 
Raw materials
 
 
311,580
 
 
 
258,429
 
Chassis
 
 
225,321
 
 
 
116,308
 
 
 
 
 
 
 
 
 
 
Subtotal
 
 
1,008,537
 
 
 
579,758
 
Excess of FIFO costs over LIFO costs
 
 
(45,949
 
 
(41,849
 
 
 
 
 
 
 
 
 
Total inventories, net
 
$
962,588
 
 
$
537,909