help me please

The following information is available for Brownstone Products Company for the month of July: Master Actual Budget Units 3,899 4,999 Sales revenue $53,299 $69,999 Variable manufacturing costs 19,999 16,999 Fixed manufacturing costs 16,999 15,999 Variable selling and administrative expenses 7,799 5,999 Fixed selling and administrative expenses 19,999 9,999 Required: 1. What was the total operating income variance for July? (Note: this variance is also called the master (static) budget variance for the period) Was this variance favorable (F) or unfavorable (U)? 2. Compute the July sales volume variance and the flexiblebudget variance for the month, both in terms of contribution margin and in terms of operating income. 4. Prepare proforma budgets for activities within its relevant range of operations. Prepare a flexible budget for each of the following two output levels: a. 3,750 units. b. 4,150 units. Complete this question by entering your answers in the tabs below. Required 1 Required 2 Required 4 What was the total operating income variance for July? (Note: this variance is also called the master (static) budget variance for the period.) Was this variance favorable (F) or unfavorable (U)? (Indicate the effect of each variance by selecting "F" for favorable, "U" for unfavorable, and "None" for no effect (i.e., zero variance).) Required 2 > Complete this question by entering your answers in the tabs below. Required 1 Required 2 Required 4 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. (Indicate the effect of each variance by selecting "F" for favorable, "U" for unfavorable, and "None" for no effect (i.e., zero variance).) Flexible-Budget Sales Volume Variance Variance Contribution margin Operating income Complete this question by entering your answers in the tabs below. Required 1 Required 2 Required 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. 3,750 units. b. 4,150 units. Show less Flexible Flexible Master budget (a.) budget (b.) Budget Units 4,000 Sales $ 60,000 Variable costs: Manufacturing 16,000 Selling and administrative 8,000 Total variable costs $ 24,000 Contribution margin $ 36,000 Fixed costs: Manufacturing 15,000 Selling and administrative 9,000 Total fixed costs $ 24,000 Operating Income $ 12,000