Inventory records for Insomnia Cookies, Inc. presented the following Date Transaction Units Unit Cost Beginning inventory 600 Purchase 100 SALE/SOLD 400 5 6 5 7 October 1 October 6 October 10 October 15 October 21 October 30 58 Purchase SALE/SOLD Purchase 100 100 600 $9 a) Insomnia Cookies, Inc. sold 500 units of inventory during the month. What is the cost of goods sold assuming LIFO Periodic. Show your work: b) Insomnia Cookies, Inc. sold 500 units of inventory during the month. What is the cost of goods sold assuming LIFO Perpetual Show your work: a) Insomnia Cookies, Inc. sold 500 units of inventory during the month. What is the cost of goods sold assuming FIFO Periodis. Show your work: b) Insomnia Cookies, Inc. sold 500 units of inventory during the month. What is the cost of goods sold assuming FIFO Perpetual Show your work