21 During 2021, Cinnamon Buns Co. (CBC) recorded the following transactions relating to its inventories (listed in chronological order) May 10 02:41:11 January 1 Beginning inventory 70 units @ $55 Purchase 40 units @ $60 July 22 Sale 90 units @ 105 November 3 Purchase 70 units @ $65 If CBC uses the perpetual weighted average method to account for its inventory, its cost of goods sold for the year ended at December 31, 2021 should be: Multiple Choice $5,112 $5,400 a $7,065 O $6,750