Problem $9-7$ Portfolio Return $($LG$9-7)$ Year$-$to$-$date, Oracle had earned a $1\mathrm{.}43$ percent return. During the same time period, Valero Energy earned $7\mathrm{.}77$ percent and McDonald's earned $0\mathrm{.}50$ percent. If you have a portfolio made up of $20$ percent Oracle, $30$ percent Valero Energy, and $50$ percent McDonald's, what is your portfolio return? Note: Round your answer to $2$ decimal places.