4. (a) Brass Works, Inc. produces brass lamps and gift products. Engineers at Brass Works have established the following direct materials standards to produce a brass candelabrum: Direct Materials Standard: I pound of materials at S5 per pound During April, Brass Works used 1,050 pounds of direct materials at an actual cost of S5.40 per p ound to make 1,000 candelabras. Compute the following variances: (l) direct materials price variance, (2) direct materials quantity variance, and (3) total direct materials variance (b). Brass Works, Inc, produces brass lamps and gift products. Engineers at Brass Works have established the following direct labor standards to produce a brass candelabrum: Direct Labor Standard: 2 hours at $10 per hour During April, Brass Works used 2,380 hours of direct labor time to make 1,000 candelabras. The actual wage rate paid was $9 per hour Compute the following variances: (1) direct labor rate variance, (2) direct labor time variance, and (3) total direct labor variance