Beginning inventory, purchases, and sales data for DVD players are as follows: Nov. 1 Inventory 10 Sale 15 Purchase 20 Sale 24 Sale 30 Purchase 67 units at $74 55 units 34 units at $77 18 units 22 units 31 units at $81 The business maintains a perpetual inventory system, costing by the first-in, first-out method. a. Determine the cost of goods sold for each sale and the inventory balance after each sale, presenting the data in the form illustrated in Exhibit 3. Under FIFO, if units are in inventory at two different costs, enter the units with the LOWER unit cost first in the Cost of Goods Sold Unit Cost column and in the Inventory Unit Cost column. First-in, First-out Method DVD Players Cost of Quantity Purchased Purchases Purchases Unit Cost Total Cost Quantity Goods Sold Sold Cost of Goods Sold Inventory Inventory Unit Cost Total Cost Date Quantity Unit Cost Inventory Total Cost Nov. 1 67 74 4,958 V Nov. 10 55 74 4,070 12 74 V Nov. 15 34 77 2,618 v 12 74 V 888 V 888 34 V 77 2,618 Nov. 20 12 74 888 77 77 Nov. 24 22 77 V 1,694 Nov. 30 31 81 2,511 77 77 31 81 2,511 Nov. 30 Balances 0,00