Write a half-page pamphlet in everyday language that could be used to educate your client about port olio formation. It was found, from the results of a special MRI scan calibrated to detect preferences for risk and return, that my client is happiest with a portfolio whose monthly expected return is 2.3%. Determine the composition of his preferred portfolio, both with and without a risk-free asset, explain how it would be put together, and make a recommendation.