Problem $9-7$ Portfolio Return $($LG$9-7)$

Year$-$to$-$date, Oracle had earned a $-1\mathrm{.}52$ percent return. During the same time period, Valero Energy earned $8\mathrm{.}0$ percent and McDonald's earned $0\mathrm{.}68$ percent.

If you have a portfolio made up of $20$ percent Oracle, $25$ percent Valero Energy, and $55$ percent McDonald's, wh is your portfolio return?

Note: Round your answer to $2$ decimal places.

Portfolio return