pls answer both questions. thank you.

The following labor standards have been established for a particular product: The following data pertain to operations concerning the product for the last month: What is the labor efficiency variance for the month? $19,017 F $19,017 U $16,029 F $16,577 F The following materials standards have been established for a particular product: The following data pertain to operations concerning the product for the last month: What is the materials quantity variance for the month? $13,720U $6,732 F $13,860 U $6,664 F