Harker Industries is a leading manufacturer Curer of baseballs. Each baseball requires 5 minutes of direct labor time to complete. Harker used 35,225 direct labor hours in July to produce 420,000 baseballs. Harker's standard labor rate is $15 per direct labor hour, and the actual labor rate in July was $15.20.

Required

Calculate Harker's direct labor efficiency variance for July.