Use the following selected information from Letterman Corporation to determine the Year 1 and Year 2 common size percentages for cost of goods sold using Net sales as the base. Net sales Cost of goods sold Operating expenses Net earnings Year 2 $ 587,800 Year 1 $ 474,600 237,400 137,000 86,590 83,450 43,780 31,030 Multiple Choice 181.4% for Year 2 and 215.3% for Year 1 7.5% for Year 2 and 6.5% for Year 1, O 40.4% for Year 2 and 28.9% for Year 1 123.8% for Year 2 and 100.0% for Year 1