Traditional Standard Costing (TSC), used in Cost Accounting dates back to the 1920’s and is a central method in management accounting practiced today because it is used for financial statement reporting for the valuation of Income Statement and Balance Sheet line items such as Cost of Goods Sold (COGS) and Inventory valuation. Traditional Standard Costing must comply with generally accepted accounting principles (GAAP US) and actually aligns itself more with answering Financial Accounting requirements rather than providing solutions for management accountants. Traditional approaches limit themselves by defining cost behavior only in terms of production or sales volume.