Which of the following costs would you consider when making a capital budgeting decision? Sunk cost Opportunity cost Interest expense Fixed overhead cost Which is the best measure of risk for an asset held in a well-diversified portfolio? Variance Standard deviation Beta Semi-variance Expected value In a portfolio of three different stocks, which of the following could not be true? The riskiness of the portfolio is less than the riskiness of each stock held in isolation. The riskiness of the portfolio is greater than the riskiness of one or two of the stocks. The beta of the portfolio is less than the beta of each of the individual stocks. The beta of the portfolio is greater than the beta of one or two of the individual stocks. The beta of the portfolio is equal to the beta of one of the individual stocks