SouthHaven Corporation applies overhead based on direct labor hours. According to standard cost card, the variable overhead standard is 9.0 hours at $18.0 per hour. During July, SouthHaven produced 3,200 units using 28,380 labor hours and spent $566,700 for variable overhead. What is the variable overhead efficiency variance?

• $55,860 favorable

• $7,560 favorable

• $453,240 favorable

• $55,860 unfavorable