Which of the following statements is CORRECT?

	a.	The slope of the Security Market Line is beta.
	b.	Any stock with a negative beta must in theory have a negative required rate of return, provided rRF is positive.
	c.	If a stock's beta doubles, its required rate of return must also double.
	d.	If a stock's returns are negatively correlated with returns on most other stocks, the stock's beta will be negative.
	e.	If a stock has a beta of to 1.0, its required rate of return will be unaffected by changes in the market risk premium.