(1) A comparison of wages or hourly conditions of employment of the fire department in question with wage rates or hourly conditions of employment of fire departments in municipalities of comparable size;
(2) The interest and welfare of the public; and
(3) A comparison of the peculiarities of fire-fighting employment in regard to other trades or professions, specifically:
(A) The hazards of employment;
(B) The physical qualifications;
(C) The educational qualifications;
(D) The mental qualifications; and
(E) The job training and skills.