a credit agency uses standard cost system for the processing of its credit applications. the labor standard at the credit agency is 10 applications per 8 hour day at a standard cost of $15 per hour.

during the last pay period, the credit agency's employees worked 1920 hours and proceeds 2500 applications.

the total labor cost for the employees during the period was $29,184. what was the credit agency's labor efficiency variance for the last pay period?