View Policies Current Attempt in Progress A company had the following inventory activity during November: Units Unit Cost Total Cost Unit Price Beginning inventory 100 $20.00 $2,000 Purchase: November 3 900 $21.00 18,900 Sale: November 5 (900) $30.00 Purchase: November 15 1,000 $21.00 21,000 Sale: November 28 (900) $30.00 If the company uses a perpetual system and the FIFO cost formula, what is the gross margin for the month? O $12,100 O $16,200 O $16.300 O $17.100