Top managers of Root Industries predicted 2018 sales of 14,500 units of its product at a unit price of $7.00. Actual sales for the year were 14,100 units at $11.00 each. Variable costs were budgeted at $2.80 per unit, and actual variable costs were $2.90 per unit. Actual fixed costs of $50,000 exceeded budgeted fixed costs by $3,000. Prepare Root's flexible budget performance report. What variance contributed most to the year's favorable results? What caused this variance? Prepare a flexible budget performance report for the year. First, complete the flexible budget performance report through the contribution margin line, then complete the report through the operating income line. Finally, compute the total variances. (Enter a "0" for any zero balances. For any $0 variances, leave the Favorable (F)/Unfavorable (U) input blank.) Root Industries Flexible Budget Performance Report For the Year Ended December 31, 2018 1 2 4 (1) - (3) (3) - (5) Budget Flexible Sales Amounts Actual Budget Flexible Volume Static Per Unit Results Variance Budget Variance Budget Units 14,100 14,100 14,500 Sales Revenue 2$ 7.00 $ 155,100 $ 56,400 F 24 98,700 $ 2,800 U $ 101,500 Variable Costs 2.80 40,890 1,410 U 39,480 1,120 F 40,600 Contribution Margin 114,210 54,990 F 59,220 1,680 U 60,900 Fixed Costs 50,000 3,000 U $ 64,210 $ 51,990 F 2$ 1,680 Operating Income