Casteel, 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: During March, the following activity was recorded by the company: - The companylproduced 2,700 units during the month. - A total of 4,200 pounds of material were purchased at a cost of $23,000. - There was no beginning inventory of materials on hand to start the month; at the end of the month, 2,800 pounds of material remained in the warehouse. - During March, 1,600 direct labor-hours were worked at a rate of $6.50 per hour. - Variable manufacturing overhead costs during March totaled $1,800. The direct materials purchases varience is computed when the materials are purchased. The materials quantity variance for March is: a. $7,950.00 b. $8,850.00 During March, the following activity was recorded by the company: - The company produced 2,700 units during the month. - A total of 4,200 pounds of material were purchased at a cost of $23,000. - There was no beginning inventory of materials on hand to start the month; at the end of the month, 2,800 pounds of material remained in the warehouse. - During March 1,600 direct labor-hours were worked at a rate of $6.50 per hour. - Variable mantfacturing overhead costs during March totaled \$1,800. The direct materials purchases varience is computed when the materials are purchased. The materials quantity variance for March is: a. $7,950.00 b. $8,850.00 c. $15,900.00 d. $17,700,00