I do not understand what this question means. Please explain

1.To measure value, for example to compare two alternative investment opportunities, the concept of time value of money is used

to ensure that expected future profits of each alternative exceed current profits today.

to bring the future benefits and costs of each investment alternative, measured by their expected profits, back to the present.

to bring the future benefits and costs of each alternative opportunity, measured by their cash flows, back to the present.

to determine the interest rate paid on corporate debt for each alternative.