A $36-$inch$-$long C$86100$ copper pipe is fixed between a wall when the temperature is $70.$ The outside diameter of the pipe is $1$ inch and the inside diameter is $0\mathrm{.}75$ in $.$ Determine the reactions at each wall when the temperature increased to $120F.$

$1\mathrm{.}2$ kip

$0\mathrm{.}8$ kip

$2\mathrm{.}5$ kip

$4\mathrm{.}5$ kip

$3\mathrm{.}1$ kip