Sweetwater Company manufactures two products, Mountain Mist and Valley Stream. The company prepares its master budget on the basis of standard costs. The following data are for March:

Standards Mountain Mist Valley Stream Direct materials 3 ounces at $14.80 per ounce 4 ounces at $17.20 per ounce Direct labor 5 hours at $60.20 per hour 6 hours at $78 per hour Variable overhead (per direct labor-hour) $48 $53.20 Fixed overhead (per month) $364,425 $399,360 Expected activity (direct labor-hours) 6,450 7,800 Actual results Direct material (purchased and used) 3,800 ounces at $14.20 per ounce 4,700 ounces at $19.00 per ounce Direct labor 4,970 hours at $62.50 per hour 7,480 hours at $82.60 per hour Variable overhead $257,550 $385,510 Fixed overhead $323,950 $399,100 Units produced (actual) 1,070 units 1,220 units

Required:

a. Compute a variance analysis for each variable cost for each product. (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.)

b. Compute a fixed overhead variance analysis for each product. (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.)