Need help pls.

MarkLines is an online portal ( www.marklines.com) that reports automotive industry data. The table below shows the number of car sold in the United States in 2018 and 2019 . The top 22 manufacturers, plus others, are listed here. Sales data often are reported in way to compare current sales to last year's sales. Click here for the Excel Data File a. Using computer software, compare 2018 sales to the 2019 sales for each manufacturer by computing the difference. Make a list of Click here for the Excel Data File a. Using computer software, compare 2018 sales to the 2019 sales for each manufacturer by computing the difference. Make the manufacturers that increased sales from 2018 to 2019 ; make a list of manufacturers that decreased sales. Which manufac in the top five with increased sales? Which manufacturers are in the bottom five with decreased sales? (Enter values in decre order and negative values with a minus sign.) * Answer is complete but not entirely correct. b. Using computer software, compare 2018 sales to 2019 sales for each manufacturer by computing the percentage change in sales. Make a list of the manufacturers in order of increasing percentage changes. Which manufacturers are in the top five in percentage change? Which manufacturers are in the bottom five in percentage change? (Enter values in decreasing order and negative values with a minus sign. Round percentage answers to 2 decimal places.) Answer is complete but not entirely correct. Answer is complete but not entirely correct