Trenton Manufacturing Co. manufactures one product, with the following standard costs: Direct Materials 20 yards per unit @ $6 per yard Direct Labor 25 hours per unit @ $8 per hour Variable Overhead 25 hours per unit @ $3 per hour Fixed Overhead 25 hours per unit @ $1 per hour Standard have been computed on a master budget activity level of 14,400 DL hours per month. Actual activity for the past month was as follows: Direct materials purchased 9,500 yards @ $6.15 per yard Direct materials used 9,200 yards Direct labor cost $104,320 for 12,800 hours Variable overhead cost $ 35,770 Fixed overhead cost $ 15,875 Production 500 units Which of the following accurately reports the DL efficiency variance? $1,920 Unfavorable $1,920 Favorable $2,400 Unfavorable