2109 ore E6-31. Analyzing Inventory from Data Visualization The following data visualization depicts quarterly revenue, cost of goods sold, and gross profit margin for Amazon from Q2 2010 through Q1 2019. $80B 60% $70B 50% $60B 40% $50B $40B 30% $30B 20% $20B 10% $10B $OB 0% p11 p11 6/30/2010 9/30/2010 12/31/2010 P11 3/31/2012 6/30/2012 9/30/2012 12/31/2012 3/31/2013 6/30/2013 9/30/2013 12/31/2013 3/31/2014 6/30/2014 9/30/2014 12/31/2014 3/31/2015 6/30/2015 9/30/2015 12/31/2015 3/31/2016 6/30/2016 9/30/2016 12/31/2016 3/31/2017 6/30/217 3/31/2018 6/30/2018 9/30/2018 12/31/2018 3/31/2019 Gross Profit Margin (right-side scale) Revenue (left-side scale) Cost of Goods Sold (left-side scale) a. What trend do we observe in all three metrics from 2010 to 2019? b. When does revenue spike each year? Why? c. What pattern do we observe between revenue and gross margin? Explain