Which of the following are characteristics of a perpetuity? Check all that apply.

A perpetuity is a stream of regularly timed, equal cash flows that continues forever.

The value of a perpetuity is equal to the sum of the present value of its expected future cash flows.

The value of a perpetuity cannot be determined.

The current value of a perpetuity is based more on the discounted value of its nearer $($in time$)$ cash flows and less by the discounted value of its more distant $($in the future$)$ cash flows.