| http://www.w3.org/ns/prov#value | - The increase in sales was driven by increased demand for ammunition and a previously announced price increase in the commercial channels, and higher sales volume for accessories within the retail channels.Cost of SalesThe following is a summary of each operating segment's cost of sales: Years Ended March 31 2013 2012 $ Change % ChangeAerospace Group$995,415 $1,091,514 $(96,099) (8.8)%Defense Group
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