A young girl spins a hula hoop of mass 0.74 kg and radius 0.73 m around her waist. Assuming that the girl's waist is much smaller that the hoop, use the parallel axis theorem to compute the rotational inertia of the hula hoop about its axis of rotation.
A. 1.2 kg m^2
B. 1.6 kg m^2
C. 0.39 kg m^2
D. 0.79 kg m^2