Given the following data, calculate the cost of goods sold for the 04/15 sale using the weighted-average method for a perpetual inventory system, rounding to the nearest dollar. (Do not round in the process of your calculations, only round your final answer.) 1/1 Beginning inventory 50 units at $10 per unit 3/5 Purchases 30 units at $14 per unit 4/15 Sale 20 units at $30 per unit 5/30 Purchases 10/25 Purchases 11/15 Sale 12/31 Ending inventory 25 units at $15 per unit 20 units at $16 per unit 60 units at $32 per unit 45 units A) $200 B) $230 C) $280 D) $600