The value of the shares in the S&P $500$ index is $$12,270B.$ Apple Inc. is the largest company in the index it is worth $$674\mathrm{.}85B.$ If you want to build a portfolio that earns the same return as the $&P $500,$ what is the portfolio weight on Apple?

$4\mathrm{.}5\%$

$6\mathrm{.}5\%$

$5\mathrm{.}5\%$

$3\mathrm{.}5\%$