An investor buys $200$ shares of stock selling at $$$$71$ per share using a margin of $72\%.$ The stock pays annual dividends of $$2\mathrm{.}00$ per share. A margin loan can be obtained at an annual interest cost of $4\mathrm{.}8\%.$ Determine what return on invested capital the investor will realize if the price of the stock increases to $$$$8888$ within six months. What is the annualized rate of return on this$$ transaction?

If the price of the stock increases to $$$$88$ within six$$ months, the$$ six$-$month return on this transaction is $\_\_\_\%.$