4) Here are the inventory purchases and sales for Fraser Company: Inventory Layers Available for Sale: October 1 Beginning Inventory 14 @ $16 $224 October 5 Purchased 20 @ $18 $360 October 9 Purchased 5 @ $19 $95. October 20 Purchased 30 @ $20 $600 = II 11 Retail Sale of Goods: October 30 Sale of 56 units @ $30 a. What is Cost of Goods Sold using the LIFO method? b. What is Cost of Goods Sold using the FIFO method? C. What is Cost of Goods Sold using Weighted Average Cost method