I tried 15.2381 unless im wrong with calculations

Problem 8-6 (Part Level Submission) Skysong Company is a multi product firm. Presented below is information concerning one of its products, the Hawkeye Date TransactionQuantity Price/Cost 1/1 Beginning inventory 1,100 2/4 Purchase 2/20 Sale 4/2 Purchase 11/4 Sale $13 2,100 2,600 3,100 2,300 20 25 (a) Your answer is incorrect. Try again Calculate average-cost per unit. (Round answer to 4 decimal places, e.g. 2.7613.) Average-cost per unit 15.238