4. FIFO, LIFO, and WA cost flow assumptions: ToTheDogs Inc. reports the following inventory information. 1-Jan Beginning Balance, 10 units that were purchased for $15.00 each. 7-May Purchased 30 units for $16.00 each. 1-Jun Sold 20 units for $50.00 each. 28-Jul Purchased 30 units for $21.00 each. 27-Aug Sold 30 units for $50.00 each. No inventory transactions after August 27. 1. What are the dollar values of COGS and ending inventory using the FIFO cost flow assumption? 2. What are the dollar values of COGS and ending inventory using the LIFO cost flow assumption? 3. What is the per Unit weighted cost of inventory for the June 1st sale? 4. What is the per Unit weighted cost of inventory for the August 27th sale? 5. What is the dollar value of COGS using weighted average inventory costing? 6. What is the dollar value of ending inventory using weighted average inventory costing? A number of calculations are required. Please organize and present your work so I can see your process and