Art receives a semi-monthly salary of $855.73 and works a regular workweek of 40 hours. (a) What is Art's hourly rate of pay? (b) If Art's gross earnings in one pay period were $974.22, for how many hours of overtime was Art paid at time-and-a-half regular pay? (a) The hourly rate of pay is $ (Round to the nearest cent as needed.) (b) The overtime hours worked is hours. (Type an integer or decimal rounded to the nearest tenth as needed.)