dunder mifflin has the following data related to its inventory during october 20x1. inventory on 10/1 was 400 units at $2.10 per unit. there was a purchase on 10/7 of 1,400 units at $2.20 a unit. a second purchase on 10/16 was 280 units at $2.25. ending inventory on 10/31 consisted of 520 units. what is the value assigned to ending inventory if dunder mifflin uses lifo method (periodic system)? do not enter any punctuation (i.e. no dollar sign, no commas). edit insert