I can't find LIFO and AVG COST

Exercise 8-11 (Part Level Submission) Crane Company's record of transactions for the month of April was as follows. Sales Purchases April 1 (balance on hand) 618 @ $6.00 1,545 @ 6.07 824 @ 6.36 1,236 @ 6.46 721 @ 6.66 515 @ 6.83 5,459 April 3 515 @ $10.00 9 1,442 @ 10.00 11 618 @ 11.00 23 1,236 @ 11.00 27 927 @ 12.00 4,738 (a1) Your answer is correct. Assuming that periodic inventory records are kept in units only, calculate the average-cost per unit. (Round answer to 2 decimal places, e.g. 2.76.) Average-cost per unit 6.34 per unit Click if you would like to Show Work for this question: Open Show Work SHOW SOLUTION SHOW ANSWER LINK TO TEXT Attempts: 1 of 3 used (a2) x Your answer is incorrect. Try again. Assuming that periodic inventory records are kept in units only, compute the inventory at April 30 using LIFO and average-cost. (Round answer to o decin places, e.g. 2,760.) LIFO 4333 Average-cost 10 Click if you would like to Show Work for this question: Open Show Work