O O Puve incorporated, manufactures a single product in which variable manufacturing overhead in 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 Direct materials Direct labor Variable manufacturing overhead Standard Quantity 2.5 pounds 0.6 hours 0.6 hours Standard Price or Rate $3.50 per pound $ 8.00 per hour $1.75 per hour During March, the following activity was recorded by the company .The company produced 3,400 units during the month. A total of 12.000 pounds of material were purchased at a cost of $33,600 Standard Cost 5 8.75 54.00 41.05 There was no beginning inventory of materials on hand to start the month at the end of the month, 2.400 pounds of material remained in the warehouse During March, 2.240 direct labor hours were worked at a rate of $8.50 per hour. Variable manufacturing overhead costs during March totaled $2.552 The direct materials purchases variance is computed when the materials are purchased. The materiah quantity variance for March is MultiChoice $18.00 U $850 F $18.00 F $3.050 U