The Opportunity Cost of an Activity Is Best Measured _____

The opportunity cost of an activity is best measured _____

A) in terms of the monetary costs of the activity.
B) by the number of alternative activities that are forgone by choosing this activity.
C) by the difference between the costs of the chosen activity and the next best alternative.
D) by the value expected from the best alternative that is forgone.
E) by the time wasted choosing among various activities.