Perpetual: LIFO and Moving-Average The beginning inventory, purchases, and sales for Harrington Equipment Company for the month of August follow. Date Beginning Inventory and Purchases Sales Units Cost/Unit Units Aug. 1 (BI) 100 $7.80 150 7.90 250 8.30 Aug. 15 300 8.60 Aug. 31 650 BI: Beginning Inventory Required: Calculate the total amount to be assigned to cost of goods sold for August and the ending inventory on August 31, under each of the following methods. In y Cost of Goods Sold Inventory on Hand 1. Perpetual LIFO inventory method 2. Perpetual moving-average inventory method