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Inventory
6 Months Ended
Nov. 30, 2011
Inventory  
Inventory

Note 4 — Inventory

 

The summary of inventories is as follows:

 

 

 

November 30,

 

May 31,

 

 

 

2011

 

2011

 

Raw materials and parts

 

$

60,465

 

$

61,314

 

Work-in-process

 

67,090

 

51,725

 

Purchased aircraft, parts, engines and components held for sale

 

298,496

 

250,360

 

 

 

$

426,051

 

$

363,399