The following information is avallable for Brownstone Products Company for the month of July: Required: 1. What was the master budget variance for July? Was this variance favorable or unfavorable? 2. Compute the July sales volume variance and the flexible-budget variance for the month, both in terms of contribution margin and in terms of operating income. 4. Prepare pro-forma budgets for activities within its relevant range of operations. Prepare a flexible budget for eoch of the following two output levels: a. 3,870 units. b. 4,270 units. What was the master budget variance for-July? Was this variance favorable or unfavarable7 (indicate the elfece of each variance by selecting "fo for Favorable, "u+ for Unfancrable, and "None" for no effect ti.e, zivo variancel.\}? Complete this question by entering your answers in the tabs below. Compute the July sales volume variance and the fexble-budget variance for the month, both in terms of contribution margin and in terms of operating income. (thdicate the effect of each variance by selecting "f- for favorable, "U" for Unfavorable, and "None" for no effect (i.e., zero variance).) 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. 3,870 units. b. 4,270 units