Which of the Following Statements Is True of Cost Variances

Multiple Choice

Which of the following statements is true of cost variances and efficiency variances?

A) They pertain to the difference between the static budget and actual results.
B) They pertain to the difference between the flexible budget and actual results.
C) They pertain to the difference between the flexible budget and the static budget.
D) They pertain to the difference between the static budget and the previous year's actual results.