Requirement 2: Revise the data in your worksheet to reflect the results for the subsequent period as shown below: 1 Chapter 8: Applying Excel 2 3 Data 4 Exhibit 8-8: Standard Cost Card Inputs Standard QuantityStandard Price $4.00 6 Direct materials 7 Direct labor 8 Variable manufacturing overhead 3.0 pounds 0.50 hours 0.50 hours $22.00 per hour $6.00 per hour 10 Actual results: 11 Actual output 12Actual variable manufacturing overhead cost 13 14 Actual direct materials cost 15 Actual direct labor cost 2,150 units $7,047 Actual Quantity 6,315 pounds 1,215 hours Actual price $4.5 pounds $22.1 per hour a-1. What is the materials quantity variance? (Indicate the effect of each variance by selecting "F" for favorable, "U" for unfavorable, and "None" for no effect (i.e., zero variance).) The amount of the materials quantity variance