6-8. Enriques Corporation manufactures and sells a single product. The company uses units as the measure of activity in its budgets and performance reports. During February, the company budgeted for 5,000 units, but its actual level of activity was 4,990 units. The company has provided the following data concerning the formulas used in its budgeting and its actual results for February Data used in budgeting: Fixed Variable element element per per month unit Revenue... $44.80 Direct labor................ $ 0 $ 6.10 Direct materials 19.90 Manufacturing overhead.......................... 40,700 1.00 Selling and administrative expenses........ 26.000 0.20 Total expenses..... $66,700 $27.20 Actual results for February: Revenue..... Direct labor.. Direct materials............... Manufacturing overhead..... Selling and administrative expenses...... $216,582 S29,419 S96.611 $43,660 $28,308 6. The activity variance (difference between planning budget and flexible budget) for direct labor in February would be closest to: A. $61 U B. $1,081 U C. $61 F D. $1,081 F 7. The activity variance (difference between planning budget and flexible budget) for selling and administrative expenses in February would be closest to: A. $1,308 F B. $1,308 U C. $2 U D. $2 F 8. The activity variance for net operating income in February would be closest to: A. $2,716 F B. $2,716 U C. $176 U D. $176 F