Asset A has two possible, equally likely, rate of return outcomes: $5\%$ or $15\%.$ Asset B also has two possible, equally likely, rates of return: $10\%$ or $20\%.$

Asset A $5\%15\%$

Asset B $10\%20\%$

Which asset would a risk$-$averse investor would prefer?

Group of answer choices

A and B have unequal risk

B has higher risk

A and B have equal risk

A has higher risk