Given the following information, determine the cost of goods sold for December 31 using the FIFO periodic inventory method December 2: 5 units were purchased at $7 per unit. December 9: 10 units were purchased at $9.40 per unit. December 11: 12 units were sold at $35 per unit. December 15:20 units were purchased at $10.15 per unit December 22: 18 units were sold at $35 per unit. O $282.15 O $332.10 $281.25 O $29700 O $284.70