Cullumber Novelty had a beginning inventory balance on July 1 of 360 units at a cost of $3.10 each. inventory transactions took place: Purchases Sales Date Units Cost per unit Date Units Price per unit July 10 1,580 $3.20 July 2 290 $5.90 13 700 3.60 11 1,030 5.90 27 580 4.00 28 620 6.60 Assume Cullumber uses FIFO periodic. Calculate the cost of ending inventory, cost of goods sold, and gross profit. Ending inventory Cost of goods sold Gross profit $