Betty's Bakery has the following standard cost sheet for one unit of its most popular cake: During the month of May, the company made 860 cakes and incurred the following actual costs: Direct materials purchased and used (1,260 pounds), $1,638 Direct labor (920 hours), $10,580 Required: Calculate the following: 1. Direct materials price variance 2. Direct materials quantity variance 3. Total direct materials variance (direct materials spending variance) 4. Direct labor rate variance 5. Direct labor efficiency variance 6. Total direct labor variance (direct labor spending variance) Note: For all requirements, Indicate the effect of each variance by selecting "F" for favorable, "U" for unfavorable, and "None" for no effect (i.e., zero variance). Round your intermediate calculations to two decimal places