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Significant Accounting Policies (Tables)
12 Months Ended
Apr. 30, 2016
Accounting Policies [Abstract]  
Summary of the Inventory Values
Below is a summary of the inventory values at April 30, 2016 and 2015:
 
 
Fiscal 2016
 
Fiscal 2015
Fuel
$
57,840

 
$
69,056

Merchandise
147,148

 
128,275

Total inventory
$
204,988

 
$
197,331

Depreciation of Property and Equipment and Amortization of Capital Lease Assets
Depreciation of property and equipment and amortization of capital lease assets are computed principally by the straight-line method over the following estimated useful lives:
 
 
 
Buildings
25-40 years
Machinery and equipment
5-30 years
Leasehold interest in property and equipment
Lesser of term of lease or life of asset
Leasehold improvements
Lesser of term of lease or life of asset