Which of the following represents the correct order of increasing first ionization enthalpy for

$\mathrm{Ca}<\mathrm{S}<\mathrm{Ba}<\mathrm{Se}<\mathrm{Ar}$

$\mathrm{S}<\mathrm{Se}<\mathrm{Ca}<\mathrm{Ba}<\mathrm{Ar}$

$\mathrm{Ba}<\mathrm{Ca}<\mathrm{Se}<\mathrm{S}<\mathrm{Ar}$

$\mathrm{Ca}<\mathrm{Ba} \mathrm{S}<\mathrm{Se}<\mathrm{Ar}$