Year$-$to$-$date, Oracle had earned a $-1\mathrm{.}35$ percent return. During the same time period, Valero energy earned $7\mathrm{.}53$ percent and Mcdonalds earned $\mathrm{.}34$ percent. if you have a portfolio made up of $20$ percent oracle, $30$ percent valero energy, and $50$ percent mcdonalds, what is your portfolio return?