1. Compare total costs to total volume growth using regression analysis to identify if costs are increasing faster than volume. Costs should not increase as fast as volume.
2. Separate manufacturing and non-manufacturing costs and analyze cost growth for each to see how value-adding vs non-value adding functions are impacting costs.
3. Perform product-level analysis of cost trends vs volume growth and manufacturing vs non-manufacturing costs to identify opportunities at the product line level.
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