Consider the beam shown. It is loaded with an $80$ k $-$ft moment at the left hinge, A and with a $10$ k force acting downward at C $.$ The support at B is a roller. Compute the reaction at A in kips.

a$.10\mathrm{.}0$ down

b$.16\mathrm{.}0$ up

c$.12\mathrm{.}5$ up

d$.6\mathrm{.}00$ down