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

The present value of a perpetuity is calculated by dividing the amount of the payment by the investors opportunity interest rate.

The principal amount of a perpetuity is repaid as a lump-sum amount.

A perpetuity continues for a fixed time period.

A perpetuity is a series of regularly timed, equal cash flows that is assumed to continue indefinitely into the future.