Variline Corporation reported the following on its comparative income statement: (in millions) 2020 2010 2018 Revenue ........... $ 16,068 $ 15,600 15,000 Cost of sales ....... $ 6,395 $ 5,415 4,500 Perform a horizontal analysis of revenues and gross protboth in dollar amounts and in percentagesfor 2020 and 2019. (Round your answers to two decimal places. Use a minus sign or parentheses to represent a decrease in amount or percentage.) Variline Corporation Comparative Income Statement For The Years Ended December 31, 2020 and 2019 lncreasel(Decrease) (amounts In mllllons) 2020 2019 2020 2019 2018 Change Percentage change Percentage Revenue 3 16,068 $ 15,600 3 15,000 % % Cost of Sales 6-395 51415 4.500 Gross Prot %