Given the following information, determine the cost of goods sold at December 31 using the LIFO perpetual 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.

Select one:

a. $282.15

b. $332.10

c. $281.25

d. $290.70

e. $210.30