Answer: A perpetual bond is similar to a no growth stock and a share of preferred stock as they all derive their values from a series of cash inflows.
Explanation: A perpetual bond is a bond with no maturity date. Issuers pay COUPONS on them forever. This represents the cash inflows.
In the same vein, both a no-growth stock and share of preferred stock derive their values from a series of cash inflows called DIVIDENDS.