The inventory accounts for Billings, Incorporated for the years ending December 31, 2011, 2012 and 2013 are shown in the table below (all figures are in dollars): 2011 2022 2013 Inventories 250,200 272,300 260,100 Billings purchased $196,400 of materials in 2012 and $206,300 of materials in 2013. a. What did Billings report as cost of goods sold on its income statement in 2012? b. What did Billings report as cost of goods sold on its income statement in 2013?