Ch 6 Problem - Inventory Costing Eric's Mechanics had the following inventory of adapters during the month of December. They sold 84 adapters during the month. Date Transaction 12/1 Beginning inventory Units Unit Cost 10 $12 12/8 Purchase No. 1 45 $17 12/15 Purchase No. 2 30 $22 12/26 Purchase No. 3 15 $32 Instructions: Compute the Cost of Goods Sold and Ending Inventory values for each of the methods below: 1. FIFO Method (7 points) 2. LIFO Method (7 points) 3. Average Method (6 points) Show the step-by step calculations of (1) COGS and then (2) Ending Inventory