Huron Company produces a commercial cleaning compound known as Zoom. The direct materials and direct labor standards for one unit of Zoom are given below: Standard Quantity or Hours Standard Price or Rate Standard Cost
Direct materials 6.40 pounds $1.70per pound $10.88
Direct labor 0.40hours $14.00per hour $5.60

During the most recent month, the following activity was recorded:

a. 18,500.00 pounds of material were purchased at a cost of $1.40 per pound.
b. All of the material purchased was used to produce 2,500 units of Zoom.
c. 800 hours of direct labor time were recorded at a total labor cost of $13,600.

Required:
a. Compute the materials price and quantity variances for the month.
b. Compute the labor rate and efficiency variances for the month.