Under a standard cost system, the materials quantity variance was recorded at $ 1,970 unfavorable, the materials price variance was recorded at $ 3,740 favorable, and the Goods in Process was debited for $ 51,690. Ninety-six thousand units were completed. What was the per unit price of the ?actual materials used $ 0.51 each o $0.52 each $0.54 each $ 0.53 each