Toluene $($Heat transfer coefficient $\{$:$=3000\frac{W}{m^2}C)$ is being condensed at $100C$ on the outer surface

of a copper condenser tube of inner dia. $1\mathrm{.}5$ cm and outer dia. $2$ cm by passing cooling water $($Heat

transfer coefficient $=1000\frac{W}{m^2}C)$ at an average temperature of $30C.$ Estimate the tube wall

temperature assuming negligible resistance of the tube wall.

$($A$)96C$

$($B$)110C$

$($C$)86C$

$($D$)100C$