PA9. LO 8.3 Power Co.'s labor information for June is as follows: Direct labor hours worked 67,200 Standard labor hours for units manufactured 70,000 Unfavorable direct labor rate variance $ 23,520 Total payroll for labor $823,200 Solution A. What was the actual labor rate per hour? B. What was the standard labor rate per hour? C. What was the total standard labor cost for units produced in June? D. What was the direct labor time variance for June