Crystal Charm Company makes handcrafted silver charms that attach to jewelry such as a necklace or bracelet. Each charm is adorned with two crystals of various colors. Standard costs follow: Standard Quantity Standard (Rate) 0.55 oz. $26.00 per oz. 8.00 0.25 per crystal 1.50 hrs. $15.00 per hr Standard Unit Cost $ 14.30 Crystals Direct labor 2.00 22.50 During the month of January, Crystal Charm made 1,560 charms. The company used 823 ounces of silver (total cost of $22,221) and 12,530 crystals (total cost of $2,881.90), and paid for 2,490 actual direct labor hours (cost of S36,105.00) 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