Teradyne Labs uses the perpetual inventory system and recorded the following transactions last year: Date May 2 May 8 May 10 May 22 May 25 Units Beginning Inventory Purchase #1 12 Sale #1 36 Purchase #2 71 Sale #2 85 105 Unit Cost 1 2 4 Build a table for the purchases and sales during the month of May. Find ending cost of goods sold using LIFO.