Crystal Charm Company makes handcrafted silver charms that attach to jewery such as a necklace or bracelet. Each charm is adorned with two crystals of various colors. Standard costs follow: Standard Unit Cost Standard QuantityStandard (Rate) 0.35 oz. $31.00 per oz. 6.00 0.50 per crystal 2.00 hrs. $20.00 per hr $10.85 Silver Crystals Direct labor 3.00 40.00 During the month of January, Crystal Charm made 1,620 charms. The company used 542 ounces of silver (total cost of $17,344) and 9,770 crystals (total cost of $4,689.60), and paid for 3,390 actual direct labor hours (cost of $66,105.00). Required 1. Calculate Crystal Charm's direct materials variances for silver and crystals for the month of January. (Round your intermediate calculations and final answers to 2 decimal places. Indicate the effect of each variance by selecting "F" for favorable, "U" for unfavorable.) Silver Crystals Direct Material Price Variance Direct Material Quantity Variance