Estimating benefits is challenging, in part, because it involves:

Group of answer choices

A$.$ Determining revenues and margins generated prior to Year $1.$

E$.$ All of the above are challenges.

B$.$ Dealing with an inverted Cone of Uncertainty.

C$.$ Utilizing estimated benefits from the single highest$-$value year the system will be in operation.

D$.$ Estimating business value for multiple years into the future.