Hello help please

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 $12.50 per hour. During February, the following activities pertaining to direct labor for ZX4D were recorded: Determine the labor rate variance. Determine the labor efficiency variance. Determine the total flexible budget labor cost variance