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 $6\mathrm{.}40$ pounds $ $1\mathrm{.}70$ per pound $ $10\mathrm{.}88$

Direct labor $0\mathrm{.}40$ hours $ $14\mathrm{.}00$ per hour $ $5\mathrm{.}60$

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

$18,500\mathrm{.}00$ pounds of material were purchased at a cost of $$1\mathrm{.}40$ per pound.

All of the material purchased was used to produce $2,500$ units of Zoom.

$800$ hours of direct labor time were recorded at a total labor cost of $$13,600.$

Required:

$1.$ Compute the materials price and quantity variances for the month.

$2.$ Compute the labor rate and efficiency variances for the month.