Chow-4-Hounds (C4H) makes pet food for sale in supermarkets. C4H produces two general types: Branded and Generic. The two differ primarily in the ingredients used. At budget, Branded sells for $25 per case and has a variable cost to produce of $18 per case. Generic sells for a budgeted $22 per case and has a budgeted variable cost to produce of $17 per case. C4H expects to sell 20 percent Branded and 80 percent Generic regardless of the sales volume. C4H budgeted total sales of 213,000 cases for March. Actual case volume sold in March was 236,000 cases, of which 66,500 were Branded. Total actual revenues in March were $2,068,000, of which $786,500 were from sales of Branded cases Required a. Compute the activity variance for C4H for March. (Do not round intermediate calculations. Indicate the effect of each variance by selecting "F for favorable, or "U" for unfavorable. If there is no effect, do not select either option.) Activity variance b. Compute the mix and quantity variances for March. (Do not round intermediate calculations. Indicate the effect of each variance by selecting "F" for favorable, or "U" for unfavorable. If there is no effect, do not select either option.) Mix variance Quantity variance