Selected data for October for Rio Vista Company is shown as follows. The variable overhead sales activity variance is $4,500 F. Flexible budget based on actual sales of 12,300 units: Revenue Materials Labor Variable overhead Fixed costs (manufacturing and administrative) $116,850 40,180 30,750 20,500 17,000 Required: a. How many units were budgeted for October in the master budget? b. Recreate the master budget for October. Complete this question by entering your answers in the tabs below. Required A Required B Recreate the master budget for October. (Do not round intermediate calculations. Indicate the effect of each variance by selecting "F" for favorable, or "U" for unfavorable. If there is no effect, do not select either option.) Sales revenue Variable costs: Materials Direct labor Variable overhead Total variable costs Contribution margin Fixed costs: Manufacturing overhead and administrative Total fixed costs Operating profits RIO VISTA COMPANY Sales Activity Variance Flexible Budget Sales Activity Variance Master Budget 0 $ 0 0 $ 0 < Required A Required B > $ 0