Bugatti, Inc is expected to pay a dividend of $$3\mathrm{.}55$ next year $($i$.$e$.,$ D$1=3\mathrm{.}55)$ and its current stock price is $$48.$ The discount rate for the company is $13\%.$ If the market expects Bugatti$$s dividends to grow at a constant rate forever, then the growth rate must be $\_\_\_\_\_\%$