A company had the following purchases during the current year:

January:	12 units at $122
February:	22 units at $132
May:	17 units at $142
September:	14 units at $152
November:	12 units at $162

On December 31, there were 36 units remaining in ending inventory. These 36 units consisted of 4 from January, 6 from February, 8 from May, 6 from September, and 12 from November. Using the specific identification method, what is the cost of the ending inventory?

a. $4,480.

b. $5,272.

c. $5,434.

d. $5,110.

e. $4,664.