If real GDP in a small country in $2015$ is $$8$ billion and real GDP in the same country in $2016$ is $$8\mathrm{.}3$ billion, the growth rate of real GDP between $2015$ and $2016$

Group of answer choices

is $3\mathrm{.}0\%.$

is $3\mathrm{.}6\%.$

is $3\mathrm{.}75\%.$

cannot be determined from the information given.