Please help me with this question. Please include how you figured it out.

Use the following selected information from Wheeler, LLC to determine the 2017 and 2016 trend percentages for cost of goods sold using 2016 as the base. 2017 2016 $284,200 $233,000 Net sales Cast of goods sold Operatlng expenses Net earnlngs 150300 53.640 29.620 131.190 51.640 21.420 0 35.7% for 2017 and 39.4% for 2016_ 0 1146% for 2017 and 100.0% for 2016_ 0 1220% for 2017 and 100.0% for 2016. 0 677% for 2017 and 64.6% for 2016. 0 32.9% for 2017 and 56.3% for 2016.