An investor buys a $$1,000$ par value, $3\mathrm{.}0\%$ coupon bond with $8$ years until maturity for The investor holds the bond for $3$ years and sells the bond when market rates are $,2\mathrm{.}6\%.$

What was the investor's holding period return?

Round your percentage to one decimal place $($e$.$g$.9\mathrm{.}4\%)$