Alternative Inventory Methods Garrett Company has the following transactions during the months of April and May: Date Transaction Units Cost/Unit April 1 Balance 300 17 Purchase 200 $5.30 25 Sale 150 28 Purchase 100 5.80 May 5 Purchase 250 5.30 ale 300 50 22 Sale The cost of the inventory on April 1 is $5, $4, and $2 per unit, respectively, under the FIFO, average, and LIFO cost flow assumptions. Required: 1. Compute the inventories at the end of each month and the cost of goods sold for each month for the following alternatives: