Problem E-BA Ziad Company had a beginning inventory onjanuary 1 of 33G units of Product 41815 at a cost of $21 per unit. During the year, the following purchases were made. Mar. 15 880 units at $24 Sept. 4 "ND units at $2? July 20 550 units at $25 Dec. 2 22B units at $31 2,200 units were sold. Ziad Company uses a periodic inventory system. Don't show me this message again for the assignment E Determine the cost of goods available for sale. 3: The cost of goods available for sale I Calculate average cost per unit. {Round answer to 2 decimal places, e.g. 2.25.] 15 Average cost per unit