The following direct labor standards have been established for product S57S:

Standard direct labor hours

1.5 hours per unit of S57S

Standard direct labor wage rate

$14.70 per hour

The following data pertain to last month’s operations:

Actual output of product S57S

720 units

Actual direct labor hours worked

1,000

Actual direct labor wages paid

$14,800

Required:

a. What was the labor rate variance for the month?

b. What was the labor efficiency variance for the month?