Exercises 4.19 through 4.25 are based on the following information. The Downtown Appliance Center, Inc. is a retailer of consumer appliances. One of its products is the Auto-Off Iron which had the following beginning inventory, purchase, and sales history during the current year: #offrons Cost.per Iron Total Cost January 1 inventory 7 S23 S161 May 6 purchases 14 $26 S364 November 10 purchases 9 S30 $270 Available for sale 30 $795 July 14 sales 20 December 31 inventory 10 The selling price of each Auto-Off Iron all year was $40. E4.19 Based on the information provided and assuming The Downtown Appliance Center, Inc. uses a periodic inventory system and the last-in, first-out (LIFO) inventory method, determine cost of goods sold and ending inventory balance, E4.20 Based on the information provided and assuming The Downtown Appliance Center, Inc. uses a periodic inventory system and the first in, first-out (FIFO) inventory method, determine cost of goods sold and ending inventory balance. E4.21 Based on the information provided and assuming The Downtown Appliance Center, Inc. uses a periodic inventory system and the weighted average inventory method, determine cost of goods sold and ending inventory balance