If the volatility of returns on AAPL and GE are $30\%$ and $40\%$ respectively, compute the volatility of returns of a portfolio with a weight of $40\%$ in AAPL and $60\%$ in GE if the correlation between these stocks is $0\mathrm{.}35.$

$0\mathrm{.}3036or30\mathrm{.}36\%$