Exercise 16-31 Sales Activity Variance (LO 16-3) Selected data for October for Rio Vista Company is shown below. The variable overhead sales activity variance is $9,900 F. Flexible budget based on actual sales of 11,700 units: Revenue Materials Labor Variable overhead Fixed costs (manufacturing and administrative) $128,700 42,900 32,370 35,100 12,000 Required: a. How many units were budgeted for October in the master budget? (Do not round intermediate calculations.) Budgeted units units 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.) RIO VISTA COMPANY Sales Activity Variance Flexible Budget Sales Activity Variance Master Budget Sales revenue Variable costs Materials Direct labor Variabl e overhead Total variable costs Contribution margin Fixed costs: 0 Manufacturing overhead and administrative Total fixed costs Operating profits