Year to date, Oracle had earned a $-1\mathrm{.}41\%$ return during the same time. Valero energy earned $7\mathrm{.}71\%$ and McDonald's earned $0\mathrm{.}46\%$ if you have a portfolio made up of $25\%$ oracle $20\%$ Valero Energy and $55\%$ McDonald's what is your portfolio return