Seeders makes organic non-GMO seed packets for the gardener market. The standard labor to count and assemble each packet is 0.14 hours at a cost of $17.50 per hour. Johnson Co. budgeted to make 65,000 seed packets but due to high demand, they ended up making 72,000 packets. They paid $316,008 for 18,480 hours of packet assembly time. What is their labor efficiency variance for this period? Enter a favorable variance is a positive number and an unfavorable variance as a negative number.