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Year-to-date, Oracle had earned a -1.45 percent return. During the same time period, Valero Energy earned 7.83 percent and Mcdonald's earned 0.54 percent. If you have a portfolio made up of 30 percent Oracle, 25 percent Valero Energy, and 45 percent Mcdonald's, what is your portfolio return? (Round your answer to 2 decimal places.) Portfolio return