P Flag question Direct Labor Variances Assume that Nortel manufactures specialty electronic circuitry through a unique photoelectronic process. One of the primary products, Model ZX40, has a standard labor time of 0.5 hour and a standard labor rate of $15.50 per hour. During February, the following activities pertaining to direct labor for ZX40 were recorded: 2/210 $40,000 Units of ZX40 manufactured4.800 Direct labor hours used Direct labor cost (a) Determine the labor rate variance. (b) Determine the labor efficiency variance. (c) Determine the total flexible budget labor cost variance