Gross Margin Calculator (GMC)

Gross Margin is the calculated difference (margin) between the value of the OUTPUT of an enterprise less the variable costs (INPUT expenses) used to produce that output. It is a reliable but simple gauge of how well an individual/enterprise is working in financial terms. GMC is a tool for farm recording that provides; Crop and Livestock Workbooks and spreadsheets (in MS Excel format) on a quarterly and annual basis. 

Worksheets are available; at http://gmcalc.techtalk-international.com/.