Stock A has a volatility of 21% and a correlation of 13% with your current portfolio. Stock B has a volatility of 102% and a correlation of 23% with your current portfolio. You currently hold both stocks. Which of the following choices below will increase the volatility of your portfolio: (i) selling a small amount of stock B and investing the proceeds in stock A, or (ii) selling a small amount of stock A and investing the proceeds in stock B? The marginal contribution to risk for stock A is %. (Round to one decimal place.)