The inventory data for an item for November are: e Nov. 1 Inventory........ .20 units at $20 .10 units for $50 4 Sold.... 10 Purchased................... .30 units at $21 20 units for $50 17 Sold...... 30 Purchased.... .10 units at $22 Using the perpetual system, costing by the last-in, first-out method, what is the cost of the merchandise sold on November 30? $640 $620 e $610 5630