The Geurtz Company uses standard costing. The company makes and sells a single product called a Roff. The following data are for the month of August: Actual cost of direct material purchased and used: $65,560 Material price variance: $5,960 unfavorable Total materials variance: $22,360 unfavorable Standard cost per pound of material: $4 Standard cost per direct labor-hour: $5 Actual direct labor-hours: 6,500 hours Labor efficiency variance: $3,500 favorable Standard number of direct labor-hours per unit of Roff: 2 hours Total labor variance: $400 unfavorable The total number of units of Roff produced during August was: A) 10,800 B) 14,400 C) 3,600 D) 6,500