plz help, i want to compare answers to be sure , thank you.

The following labor standards have been established for a particular product: Standard labor-hours per unit of output Standard labor rale 4.0 hours $12.30 per hour The following data pertain to operations concerning the product for the last month: Actual hours worked Actual total labor cost Actual output 7,100 hours $89,105 1,500 units What is the labor efficiency variance for the month? Multiple Choice O $13.805 U $15,305 U $13,530 U $15,305 F