The foliowing information is avallable for Brownstone Products Company for the month of July Required: 1. What was the master budget varlance for July? Was this vantance favorable or unfavorable? 2 Compute the July sales volume variance and the flexble-budget variance for the month, both in terms of contribution margin and in tems of operating income 4. Prepare pro-forma quudgets for activities within its relevant range of operations. Prepare a fextble budget for each of the foliowing. two output levels a. 3.810 units b. 4,210 unts Complete this question by entering your answers in the tabs below. Compute the July sales volume variance and the flexible-budget variance for the month. both in terme of contributon margin and in terme of operating income. (Thedicate the elfact of soch variance by sefecting "F" for faveraste. "Y" for unfavorable. and "fuene" for no olfect (ies zerowarianee)