High-Low Ratio Formula:
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The High-Low Ratio method is a technique used in cost accounting to separate fixed and variable costs by analyzing the highest and lowest levels of activity and their corresponding costs.
The calculator uses the High-Low Ratio formulas:
Where:
Explanation: The method calculates the variable cost per unit by finding the slope between the high and low points, then determines fixed costs by subtracting total variable costs from total costs at either point.
Details: Understanding the fixed and variable components of costs is essential for cost-volume-profit analysis, budgeting, and decision-making in business.
Tips: Enter the total costs and corresponding activity levels at both high and low points. Ensure the high and low points represent the highest and lowest activity levels, not necessarily the highest and lowest costs.
Q1: When should I use the high-low method?
A: Use it when you need a quick estimate of fixed and variable costs and have limited data points. It's most accurate when the high and low points are representative of normal operations.
Q2: What are the limitations of this method?
A: It only uses two data points, which may not represent the overall cost behavior. It's less accurate than regression analysis but simpler to calculate.
Q3: Can I use any two data points?
A: For best results, use the highest and lowest activity levels, not just any two random points, as these extremes help establish the cost behavior pattern.
Q4: How does this differ from regression analysis?
A: Regression analysis uses all available data points for more accurate results, while high-low method only uses two points but is simpler to compute.
Q5: What if my variable cost is negative?
A: A negative variable cost suggests an error in data selection or that the high-low method may not be appropriate for your cost structure.