Puvo, Incorporated, manufactures a single product in which varlable manufacturing overhead is assigned on the base of standard direct labor-hours. The company uses a standard cost system and has established the following standards for one unit of product Duning March, the following octivity was recorded by the company? - The company produced 4,200 units during the month. - A total of 21,200 pounds of mateilal were purchased at a cost of $15,380. - There was no beginning inventory of materiats on hand to start the month; at the end of the month, 5,420 pourds of material remaired in the warehouse - During March, 1.270 direct labor-hours were worked at a rate of $48.50 per hour - Vasiable mandocturing overhend costs during March totaled \$15.861. The direct matertals purchases variance is computed when the materials are purchased. The variable overheod rate variance for March is