1. What was the master budget varlance for July? Was this variance favorable or unfavorable? 2. Compute the July sales volume varlance and the flexible-budget varlance for the month, both in terms of contribution margin and in terms of operating income. 4. Prepare pro-forma budgets for activitles within its relevant range of operations. Prepyre a flexible budget for each of the following two output ieveis: a. 3,890 units. b. 4,290 units. Complete this question by entering your answers in the tabs below. What was the master budget variance for July? Was this variance favorable or unfavorable? (Indicate the effect of each variance by selecting "F" for favorable, "U* for Unfovorable, and 'None' for no effect (l.e, zero variance).) The following information is avallable for Brownstone Products Company for the month of July: Required: 1. What was the master budget varlance for July? Was this varlance favorable or unfavorable? 2. Compute the July sales volume variance and the flexible-budget varlance for the month, both in terms of contribution margin and terms of aperating income. 4. Prepare pro-forma budgets for activities within its relevant range of operations. Prepare a flexible budget for each of the following two output levels: a. 3,890 units. b. 4,290 units. Complete this question by entering your answers in the tabs below. Compute the July sales volume variance and the flestbie-budget variance for the month, both in terms of contribution margin and in terms of operating income. (Indicate the effect of each variance by selecting " F " for Favorable, " U " for Unfavorable, and "None" for no effect (i.e, zero variance).)