Current Attempt in Progress Marin uses a periodic inventory system. In April, 600 units were sold and the following additional information is available: Units Unit Cost Total Cost April 1 inventory 250 $ 16.00 $4,000 April 15 purchase 400 21.00 8,400 April 23 purchase 350 26.00 9,100 1,000 $ 21,500 (a) Your answer is incorrect. Calculate the April 30 inventory and the April cost of goods sold using the weighted average cost formula. (Round the we average cost per unit to 2 decimal places, eg. 15.25 and final answer to decimal places, e.g. 5,125.) April 30 inventory $ April cost of goods sold $ e Textbook and Media