Beginning inventory, purchases, and sales data for DVD players are as follows: November 1 Inventory 120 units at $39
10 Sale 90 units
15 Purchase 140 units at $40
20 Sale 110 units
24 Sale 45 units
30 Purchase 160 units at $43
The business maintains a perpetual inventory system, costing by the last-in, first-out method.
Determine the cost of goods sold for each sale and the inventory balance after each sale.