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: Silver Crystals Direct labor Standard Quantity 0.65 ounce 5.00 2.00 hours Standard Price (Rate) $ 25.00 per ounce $0.50 crystal $ 15.00 per hours Standard Unit Cost $ 16.25 2.50 30.00 During the month of January, Crystal Charm made 1,500 charms. The company used 935 ounces of silver (total cost of $24,310) and 7,550 crystals (total cost of $3,624.00), and paid for 3,150 actual direct labor hours (cost of $45,675.00). Required: 1. Calculate Crystal Charm's direct materials variances for silver and crystals for the month of January.