Given the following data, calculate the cost of goods sold using the average - cost method. Round average cost per unit calculations to two decimal places. Round final answer to the nearest dolla Date Item Unit 5/10 10/9 Beginning inventory Purchase of inventory Purchase of inventory 70 units at $10 per unit 30 units at $30 per unit 30 units at $22 per unit 231 Ending inventory 8 units O A. $1.425 O B. $2.259 C. $3,861 D. $2,051