On average, the market compensates investors for taking:

		a) diversifiable risk, aka unique risk, aka unsystematic risk, as measured by the stock's beta
		b) firm-specific risk
		c) nondiversifiable, aka market risk, aka systematic risk, as measured by the stock's standard deviation
		d) none of the alternative responses are accurate.
		e) nondiversifiable, aka market risk, aka systematic risk, as measured by the stock's beta