Dabo Inc. uses the following standards for labor: Standard hours per unit Standard rate per hour 1.5 $20 During the period Dabo manufactured 1,500 units of product and determined it had a favorable labor rate variance of $3,450 and an unfavorable labor efficiency variance of $1,500. Based on this information, the actual number of labor hours worked during the period is closest to: a. 3,450 hours b.2,325 hours c. 2,300 hours d. 2,200 hours