20. ABC Company had the following balances and transactions during 2009. Beginning inventory March 6 March 10 June 10 October 30 10 units at $70 per unit purchased 9 units for $71 per unit sold 8 units for $100 per unit purchased 20 units for $80 per unit sold 15 units for $100 per unit Operating expenses for 2009 was $345 in total. What is total cost of goods sold for 2009 if the perpetual FIFO costing method is used? (3 Points) 51,663 $1,695 $1659 some other amount