Puvo, Inc., manufactures a single product in which variable manufacturing overhead is assigned on the basis of standard direct labor-hours. The company uses a standard cost system and has established the following standards for one unit of product:

	Standard Quantity			Standard Price or Rate			Standard Cost
Direct materials		7.50	pounds	$	0.80	per pound	$	6.00
Direct labor		0.70	hours	$	50.50	per hour	$	35.35
Variable manufacturing overhead		0.70	hours	$	10.20	per hour	$	7.14

During March, the following activity was recorded by the company:

The company produced 4,100 units during the month.

A total of 21,100 pounds of material were purchased at a cost of $15,280.

There was no beginning inventory of materials on hand to start the month; at the end of the month, 5,320 pounds of material remained in the warehouse.

During March, 1,260 direct labor-hours were worked at a rate of $47.50 per hour.

Variable manufacturing overhead costs during March totaled $15,761.

The direct materials purchases variance is computed when the materials are purchased.

The variable overhead rate variance for March is: