Nina Company prepared the following fixed budget for July using 7,680 units for budgeted sales. Actual sales were 7,380 units and actual costs are shown below. For Month Ended July 31 Sales Variable costs Direct materials Direct labor Indirect materials Sales commissions Fixed Budget Variable Amount Total Fixed Cost Fixed Budget (7,680 units) $ 768,000 268,800 115,200 30,720 Actual Results (7,380 units) $ 754,730 273,280 112,300 28,920 80,290 494,790 $ 259,940 per Unit $ 100 35 15 4 11 Total variable costs 65 Contribution margin $ 35 84,480 499,200 $268,800 Fixed costs Depreciation-Machinery $ 69,910 69,910 69,910 Supervisor salary 41,490 41,490 42,680 Insurance Depreciation-office equipment Administrative salaries Total fixed costs 10,270 10,270 10,270 7,580 7,580 7,580 33,900 33,900 30,520 $ 163,150 163,150 160,960 Income $ 105,650 $ 98,980 Prepare a flexible budget performance report for July at activity level of 7,380 units. Show variances between budgeted and actual amounts. (Indicate the effect of each variance by selecting favorable, unfavorable, or no variance.)