Private equity investing differs from public investing in which of the following ways?

	a.	Private equity investors make illiquid investments that cannot be sold because of either a lack of an organized market or investment restrictions.
	b.	Private equity investors are active investors.
	c.	Private equity investments are made for a finite period of time.
	d.	Private equity investments are risky and illiquid and thus require high returns.
	e.	All of the above.