Can I please get help with A2

Amsterdam Company uses a periodic inventory system. For April, when the company sold 600 units, the following information is available. Calculate weighted-average cost per unit. (Round answer to 2 decimal places, eq. 2.76.) Weighted-average cost per unit $11.85 eTextbook and Media Attempts: unlimited (a2) Your answer is incorrect. Compute the April 30 inventory and the April cost of goods sold using the average-cost method. Ending inventory Cost of goods sold