Frames Incorporated budgeted one and one half hours of direct labor per unit at $10.25 per hour to produce 650 units of product. The 650 units were completed using 1,850 hours of direct labor at $12.00 per hour. What is the direct labor rate variance? O A. $1,137.50 favorable O B. $1,137.50 unfavorable O C. $3,237.50 unfavorable O D. $3,237.50 favorable