Frames Incorporated budgeted two hours of direct labor per unit at $11.25 per hour to produce 700 units of product. The 700 units were completed using 1,750 hours of direct labor at $12.50 per hour. What is the direct labor efficiency variance? O A. $3,937.50 favorable O B. $3,937.50 unfavorable O C. $4,375.00 favorable D. $4,375.00 unfavorable