wing characteristics. O A. Time periods differ for measuring items included in the dependent variable and the cost driver(s). OB. Extreme observations are adjusted or removed. O C. Fixed costs are allocated as if they are variable costs. O D. mixed pool and a single cost driver. There is no causal, economically plausible relationship between individual cost items in a heterogeneous OE. Homo may not be present. eneous relationships between individual cost items in the dependent variable pool and cost drivers

A. Time periods differ for measuring items included in the dependent variable and the cost driver(s). B. Extreme observations are adjusted or removed. C. Fixed costs are allocated as if they are variable costs. D. There is no causal, economically plausible relationship between individual cost items in a heterogeneous mixed pool and a single cost driver. E. Homogeneous relationships betwe xn individual cost items in the dependent variable pool and cost drivers may not be present