Perpetual inventory using FIFO Beginning inventory, purchases, and saies data for DVD players are as follows: The business maintains a perpetual inventory system, costing by the fint-in, first-out method. are in inventory at two different costs, enter the units with the LoweR unit cost first in the Cost of Goods 50 id Unit Cost columa and in the leventary Unit Cout calutrit First-in, First-out Methed DVo Players Cost of Cost of Quantity Purchases Purchases Quantity Goods Sold Goods Sold Inventory Inventory Inventary Date Purchased Unit Cost Total Cost Sold Unit Cost Total Cost Quantity Unit Cost Totat Cost Noy. 1 Nov, 10 Nov, 15 Nov. 20 Novi 24 Nov, 30 Nov. 30 Batances