Three investment opportunities are presented below. They all have the same expected rate of return. Rank them in order of risk from most to least.

Probability	Rate of	Rate of	Rate of
of Occurrence	Return	Return	Return
	A	B	C
15%	1.50%	2.30%	0.75%
30%	2.50%	2.80%	1.75%
35%	3.50%	3.25%	4.05%
20%	4.50%	3.90%	5.20%
Expected Rate of Return	3.10%	3.10%	3.10%