Required information The following information applies to the questlons displayed below.] Prebie Company manufactures one prochuct. IIs variable manufacturing overhead is applied to production based on direct labor-hours andi its stondard cost card per unit is as followit. The planning budget for March was based on producing and seling 24,000 units, However during March the company actually produced and sold 30,600 units and incurred the following costs. a. Purchased 170.000 pounds of raw materlals at a cost of $9.00 per pound. All of this materiai was ufied if production. b. Direct laborers worked 68,000 hours at a rate of $18 per hour. c. Total variable manufacturing overheod for the month was $512.040. 6. If Preble had purchased 183,000 pounds of materiais at $9.00 per pound and used 170.000 pounds in production, what would be the moterials quantity variance foe March? (Indicate the effect of each variance by selecting "F" for favorable, "U" for unfavorable, and "None" for no effect (i.e., zero variance.). Input alt amounts as positive values.)