When landing from a vertical leap, a $549$ N dancer decreases her vertical velocity from $-$

$5\mathrm{.}9$ m$/$s to $-1\mathrm{.}23$ m$/$s$,$ while lowering her center of mass a distance of $0\mathrm{.}18$ m over $0\mathrm{.}04$ s$.$

$(5$ pts$)$

Calculate the total work done by the dancer.