Perpetual System- Calculating Ending Inventory and Cost of Sales using Moving Average Upland Co.'s inventory records showed the following data accounted for in a perpetual inventory system. Date Units Unit Cost June 1 Inventory 800 $8.00 June 3 Purchases 1,600 8.40 June 7 Sales (at $16 per unit) 1,120 June 20 Purchases 1,088 9.00 June 22 Sales (at $16 per unit) 1,760 What is (a) ending inventory on June 30, and (b) cost of goods sold for June, using the moving average method? Round unit costs in your calculations to two decimal places. Round your final answers below to the nearest whole dollar. Use your rounded ending inventory answer to compute part b. cost of goods sold. 0 a. Ending inventory on June 30 $ b. Cost of goods sold for June $ 0