please help with required 2!

The following information is available 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 the flexible-budget variance and the sales volume variance for the month, both in terms of contribution margin and in terms of operating income. 3. Prepare a flexible budget for each of the following two output levels: a. 3,920 units. b. 4,320 units. Answer is complete but not entirely correct. Complete this question by entering your answers in the tabs below. Compute the July the flexible-budget variance and the sales volume 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).) Required: 1. What was the master budget variance for July? Was this variance favorable or unfavorable? 2. Compute the July the flexible-budget variance and the sales volume variance for the month, both in terms of contribution margin and in terms of operating income. 3. Prepare a flexible budget for each of the following two output levels: a. 3,920 units. b. 4,320 units. (*) Answer is complete but not entirely correct. Complete this question by entering your answers in the tabs below. Compute the July the fiexible-budget variance and the sales volume 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).)