Sheridan Enterprises uses a periodic inventory system for buckets it sells. It had a beginning inventory on April 1 of 77 units at a cost of $6 per unit. During April, the following purchases and sales were made. April 7 13 Purchases 67 units at $7.00 134 units at $8.00 104 units at $9.00 52 units at $10.00 23 29 357 Sales April 134 units at $20 11 104 units at $20 units at $20 20 94 30 17 units at $20 379 Compute the April 30 ending inventory and April cost of goods sold under (a) average cost, (b) FIFO, and (c) LIFO. (Round cost per unit to 2 decimal places, e.g. 15.25 and final answer to O decimal places, eg. 1,525.) (a) Average-cost-Ending Inventory Cost of Goods Sold $ (6) FIFO -Ending Inventory $ Cost of Goods Sold $ (c) LIFO-Ending Inventory $ Cost of Goods Sold $