$10)$ Two very small $+3\mathrm{.}00-$C charges are at the ends of a meter stick. Find the electric potential $($relative to infinity$)$ at the center of the meter stick. $($k $=1/4$$0=8\mathrm{.}99109$ N m$2/$C$2)$ A$)0\mathrm{.}00$ V B$)2\mathrm{.}70104$ V C$)5\mathrm{.}40104$ V D$)1\mathrm{.}08105$ V