A sample of gas is compressed from an initial volume of $4\mathrm{.}0L$ to a final

volume of $1\mathrm{.}0L.$ What is the work done if the external pressure is $5$

atm?

a$.($a$)5\mathrm{.}0103$

$($b$)1\mathrm{.}8103$

b$.($c$)1\mathrm{.}5103$

$($d$)1\mathrm{.}6102$