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: During the most recent month, the following activity was recorded: 20,500 pounds of material were purchased at a cost of $1.70 per pound. All of the material purchased was used to produce 3,000 units of Zoom. 800 hours of direct labor time were recorded at a total labor cost c of $12,000. Required: Compute the materials price and quantity variances for the month. Compute the labor rate and efficiency variances for the month