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?