The following labor standards have been established for a particular product:

Standard labor hours per unit of output

3.2 hours

Standard labor rate

$19.10 per hour

The following data pertain to operations concerning the product for the last month:

Actual hours worked

5,500 hours

Actual total labor cost

$105,050

Actual output

1,900 units

Required:

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

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