Which of the Following Is Not True About Return on Investment

Which of the following is not true about return on investment (ROI) ?

A) Is not known as the accrual rate of return.
B) Some organizations use total assets in the denominator.
C) Used to evaluate performance of an organization's subunit.
D) Some organizations use operating income to represent the numerator.
E) Some organizations prefer to calculate it on an after-tax basis.