3. Copy Center pays an average wage of $12 per hour to employees for printing and copying jobs, and allocates $18 of overhead for each employee hour worked. Materials are assigned to each job according to actual cost. Jobs are marked up 20% above cost to determine the selling price. If Job M-47 used $350 of materials and took 20 hours of labor to complete, what is the selling price of the job? A. $852 B. $1,140 C. $456 D. $720 E. $708