Stone Pine Corporation,a Calendar Year Taxpayer,has Ending Inventory of $160,000

Stone Pine Corporation,a calendar year taxpayer,has ending inventory of $160,000 on December 31,2013.During the year,the corporation purchased additional inventory of $415,000.If cost of goods sold for 2013 is $470,000,what was the beginning inventory at January 1,2013?

A) $55,000
B) $215,000
C) $255,000
D) $310,000
E) None of the above