Assuming that Foundation has a return requirement of $9\mathrm{.}2\%$ and a $12\mathrm{.}3\%$ volatility and wants to minimize any exposure to alternative investments, what would be the best portfolio to meet its needs from the perspective of objectives, diversification and efficiency?

$\backslash$table$[[,78\mathrm{.}00\%,100\mathrm{.}00\%,100\mathrm{.}00\%,100\mathrm{.}00\%$