Which of the following is true about how most managers spend their time on decision making?

A$.$ Not many managers devote time toward decision making at all.

B$.$ Overall, managers report that the time allocated toward making decisions is used effectively.

C$.$ The effectiveness of decision making is directly related to the amount of time on the decision.

D$.$ Most managers do not spend over half of their decision$-$making time effectively.

E$.$ Most managers spend more than half of their decision$-$making time effectively.