14.23 Flexible Budgets; Master Budget Variance; Breakdown of the Master Budget Variance; Spreadsheet Application The following information is available for Brownstone Products Company for the month of July: Required 1. What was the master budget variance for July, rounded to the nearest whole dollar? Was this variance favorable or unfavorable? 2. Set up a spreadsheet to 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. Round all dollar amounts to the nearest whole number. 3. Discuss implications of these variances on strategic cost management for Brownstone. 4. Configure your spreadsheet so that it will allow the firm to prepare pro-forma budgets for activities within its relevant range of operations. Use your spreadsheet to prepare a flexible budget for each of the following two output levels (round all dollar amounts in the flexible budgets to the nearest whole number): a. 3,750 units. b. 4.150 units