Two assets have the following expected returns and standard deviations when the risk-free rate is 5%:

Asset A: Expected return = 10% & SD = 20%
Asset B: Expected return = 15% & SD = 27%

An investor with a risk aversion of A = 3 would find that _________________ on a risk return basis.

a. only Asset A is acceptable
b. only Asset B is acceptable
c. neither Asset A nor Asset B is acceptable
d. both Asset A and Asset B are acceptable