Actual cost of goods sold in a 'physical component' sense...

Actual cost of goods sold in a 'physical component' sense decreased from $5,358,028 to $3,581,257 from FY2012 to FY2013.

Based on those figures per unit cost decreased over those years from $31,704 to $24,362.

Associated warranty expense and service and support costs however did increase from a combined $2,232,542 in FY2012 to $4,270,677 in FY2013 which is due to the fact more units have been sold and installed.