The following information is avallable for Brownstone Products Company for the month of July Required: 1. What was the master buclget variance for July? Was this variance favorable or unfavorable? 2. Compute the July sales volume variance and the flexable budget varance for the month, both in terms of contribution margin and in terms of operating income 4. Prepare pro-forma budgets for activities within its relovant ranoe of operations. Prepare a flexble budget for each of the following two output levels a. 3,820 units D. 4,220 units 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. 3,820 units. b. 4,220 units