The following information is available for Brownstone Products Company for the month of July: Master Budget 4,000 Units Sales revenue Variable manufacturing costs Fixed manufacturing costs Variable selling and administrative expenses Fixed selling and administrative expenses Actual 3,800 $ 60,300 20,200 14,000 8,900 8,500 $ 60,000 16,000 13,100 8,000 10,100 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 each of the following two output levels: a. 3,870 units. b. 4,270 units. X Answer is not complete. Complete this question by entering your answers in the tabs below. Required 1 Required 2 Required 4 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 Unfavorable, and "None" for no effect (i.e., zero variance).) Master budget variance $ (4,300) X U