Which of the following statements is not true about analyzing the fixed and variable components of a mixed cost? A scattergraph is the best, way to see unusual data points that may not be representative of the typical pattern of costs and activity. B Regression takes advantage of more information than does the high-low method. C The slope in the regression method is equal to the fixed cost per unit. D The high-low method takes the highest and lowest data points to predict the line that best fits the behavior of costs as activity levels change