An investor buys 300 shares of stock selling at $57 per share using a margin of 75%. The stock pays annual dividends of $1.00 per share. A margin loan can be obtained at an annual interest cost of 6.4%. Determine what return on invested capital the investor will realize if the price of the stock increases to $88 within six months. What is the annualized rate of return on this transaction? If the price of the stock increases to $88 within six months, the six-month return on this transaction is %. (Round to two decimal places.) The annualized rate of return on this transaction is %. (Round to two decimal places.)