Consider the following inventory transactions for September Beginning inventory Purchase on September 12 Purchased on September 23 15 units @ $3.10 27 units @ $3.70 10 units @ $4.20 For the month of September, the company sold 28 units. What is cost of goods sold under the weighted average cost method? (Do not round your intermediate calculations. Round the weighted-average unit cost to 4 decimals If necessary. Round your answer to the nearest dollar amount.)