The individual that makes the investment that has highest risk is Norville because he invested 75 percent of his portfolio in stocks.
What investment are considered high risk?
High risk investment refers to an investment that have large chance of loss of capital and high chance of a devastating loss.
Daphne invests in mutual funds which offeres low risk, Velma and Fred spread their risk to reduce loss if any occur.
Therefore, the Option B is correct.
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