A tractor equipped with a $44\mathrm{.}2$ kW $(50$ horsepower$)$ motor has pulled a hay cart for $12$

hours, completing a total distance of $24$ km$.$ What is the total force exerted by the

tractor?

$($a$)104\mathrm{.}4$ kN

$($b$)6\mathrm{.}4$ kN

$($c$)1087\mathrm{.}3$ kN

$($d$)79\mathrm{.}6$ kN

$($e$)23421\mathrm{.}4$ kN