If the actual cost of direct materials is $225,000 and the standard total cost of direct materials is $224,800, and actual materials used is 30, and standards materials used is 31, and the actual direct labor rate is $15.50, and the standard labor rate is $15.00, and the actual hours worked is 45, and the standard hours work is 40, what is the materials price variance, the materials quantity variance, the labor rate variance, and the labor efficiency variance?