2021 2020 2019 2018 2017 Sales $ 80, 000 $ 74, 000 $ 61, 000 $ 56, 000 $ 50, 000 Cost of goods sold 77, 100 60, 900 30, 900 46, 200 30, 000 Dollar amounts stated are in thousands. a. Compute trend percentages for the above items taken from the financial statements of Lopez Plumbing over a five-year period. Treat 2017 as the base year. b. State whether the trends are favorable or unfavorable. x Answer is not complete. Complete this question by entering your answers in the tabs below. Required A Required B Compute trend percentages for the above items taken from the financial statements of Lopez Plumbing over a five-year period. Treat 2017 as the base year. (Round your answers to the nearest whole percent. i.e. 1.2345 as 123%.) 2021 2020 2419 2018 2017 Sales 163 X % 148 % 123 X % 118 X % 100 % Cost of goods sold 195 X % 160 X % 135 X % 123 X % 100 %