Paddington Gifts made purchases of a particular product in the current year as follows: Jan. 1 Beginning inventory 140 units @ $ 5.00 = $ 700 Mar. 7 Purchased 400 units @ $ 4.60 = 1,840 July 28 Purchased 1,200 units @ $ 4.00 = 4,800 Oct. 3 Purchased 700 units @ $ 3.40 = 2,380 Totals 2,440 units $ 9,720 Required: 1. The business uses a periodic inventory system. Ending inventory consists of 110 units. Calculate the costs to be assigned to