Debbi is performing side arm raises $($shoulder abduction$)$ with a $12\mathrm{.}5$ kg dumbbell. Her elbow is extended $(180),$ while her arm is $48$ below horizontal. Her arm is $60$ cm long. Find the torque produced on Debbi$$s arm by the dumbbell.

$750\mathrm{.}00$ N$$m

$73\mathrm{.}58$ N$$m

$49\mathrm{.}23$ N$$m

$54\mathrm{.}68$ N$$m