Any questions like this with an explanation and solved answer

1. Sen Company's standard requires 3 direct labor hours for each unit produced and pays $10 per hour. During the last month, the company produced 1000 units of product and paid a total $32.340 direct labor salary. The labor efficiency variance was $600 favorable. What was direct labor rate variance? A) $5,880 Unfavorable B) $7,920 Unfavorable C) $3,960 Unfavorable D) $2,940 Unfavorable