Question 3 (20 Points) PLC Makers Company manufactured 8,000 units during August of a PLC device. Records indicated the following: Direct labor 49,600 hr. at $12.20 per hr. Direct material purchased 54,000 lb. at $3.85 per Ib. Direct material used 42,400 lb. The PLC device has the following standard prime costs: Direct material: 5 lb. at $3.50 per lb. Direct labor: 6 hr. at $12.00 per hr Standard prime cost per unit $17.50 72.00 $89.50 Required: For the month of August, compute the following variances, indicating whether each is favorable or unfavorable. (4 points each) a. Direct-material price variance. b. Direct-material quantity variance. C. Direct-material purchase price variance. d. Direct-labor rate variance. e. Direct-labor efficiency variance