Which of the Following Is True About Perpetuities

Which of the following is true about perpetuities?

A) Since a perpetuity generates cash flows every period infinitely,the cash flow generated equals the PV times the interest rate.
B) Since a perpetuity generates cash flows every period infinitely,each cash flow must be discounted to calculate the present value.
C) Since a perpetuity generates cash flows every period infinitely,there is no way to solve for the cash flow given the present value and the interest rate.
D) A perpetuity does not generate cash flows every period infinitely.