An investor purchased a stock for $$44\mathrm{.}64$ and sold it one year later for $$47\mathrm{.}15.$ The investor also received a dividend payment of $$1\mathrm{.}50.$ What was the investor's realized capital gain rate? $($Enter your answer as a decimal rounded to $4$ decimal places, not a percentage. For example, enter $\mathrm{.}0153$ instead of $1\mathrm{.}53\%.)$