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 QuantityStandard (Rate) 0.25 oz. $26.00 per oz. 6.00 $ 0.25 per crystal Standard Unit Cost $ 6.50 Silver Crystals Direct labor1.50 hrs. $16.00 per hr. 1.50 24.00 During the month of January, Crystal Charm made 1,600 charms. The company used 375 ounces of silver (total cost of $10,125) and 9,650 crystals (total cost of $2,219.50), and paid for 2,550 actual direct labor hours (cost of $39,525.00) 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