50. Which of the following statements is false? a. The size of a variance relative to the amount of spending involved is one factor in determining which variances to investigate. b. Focusing on variances that are above a certain dollar amount is the only way to identify variances that are true exceptions. c. Some random fluctuations in variances from period to period are normal and to be expected even when costs are well under control. d. A variance should only be investigated when it is unusual relative to the normal level of fluctuation in the variance.
2