Gentile Corporation makes a product with the following standard costs: The company produced 6,000 units in May using 36,970 kilos of direct material and 4,340 direct labor-hours. During the month, the company purchased 40,400 kilos of the direct material at $4.70 per kilo. The actual direct labor rate was $13.70 per hour and the actual variable overhead rate was $2.70 per hour. The company applies variable overhead on the basis of direct labor-hours. The direct materials purchases variance is computed when the materials are purchased. The variable overhead efficiency variance for May is:

Options: $1,380 F $1,380 U $1,242 U $1,242 F