Jeff Krause purchased $1,000$ shares of a speculative stock in January for $2\mathrm{.}11$ per share. Six months$$ later, he sold them for $8\mathrm{.}75$ per share. He uses an online broker that charges him $ $10$ per trade. What was$$ Jeff's annualized HPR on this$$ investment? $($Round to the nearest whole percent$)$