1. Please conduct a trend analysis for Guangwai Company using its income information for the years 2016 through 2020 in the table given. (18%) Year 2019 2018 2017 $1.292, 200 $1. 164,800 $957,000 $910,000 $819,000 $653, 400 $345,800 $303,600 Item Sales Cost of goods sold Gross margin Item Sales Cost of goods sold Gross margin 2020 $1, 152,000 $820, 800 $331, 200 2020 $382, 200 2019 Year 2018 2017 2016 $1,056, 000 $729,600 $326, 400 2016 100% 100% 100% 2. Please draw a line graph to illustrate the results of trend analysis. Please use different lines to differentiate sales, cost of goods sold and gross margin in the line graph. (9%)