Suppose the real rate is $8\mathrm{.}5$ percent and the inflation rate is $2\mathrm{.}8$ percent. What rate would you expect to see on a Treasury bill?

Multiple Choice

$13\mathrm{.}27\%$

$11\mathrm{.}54\%$

$9\mathrm{.}81\%$

$10\mathrm{.}38\%$

$12\mathrm{.}69\%$