Required Informetion [The following information applles to the questions displayed below.] Preble Company manufactures one product. Its varlable manufacturing overhead is applied to production based on direct labor-hours and its standard cost card per unit is as follows: Direct material: 5 pounds at $10.00 per pound Direct labor: 4 hours at $16 per hour variable overhead: 4 hours at $7 per hour Total standard variable cost per unit The company also established the following cost formulas for its selling expenses: The planning budget for March was based on producing and selling 20,000 units. However, during March the company actually produced and sold 24,600 units and incurred the following cosis: a. Purchased 164,000 pounds of raw materlais at a cost of $7.50 per pound. All of this materlal was used in production. b. Direct-laborers worked 57,000 hours at a rate of $17.00 per hout. c. Total variable manufacturing overhead for the month was $653,220 d. Total advertising, sales salaries and commissions, and shipping expenses were $235,000,$465,000, and $135.000. respectively. 8. What is the direct labor rate varlance for March? (Indicate the effect of each varlance by selecting "F" for fovorable, "U" for unfovorable, and "None" for no effect (l.e., zero variance.). Input the amount as a positive value.) Direct labor rate variance