Item Sales Cost of Goods Sold Net Income Total Assets Number of Books Sold 2020 $1,260,000 $971,000 $53,000 $1,100,000 85,703 2019 2018 2017 $970,000 $840,000 $600,000 $598,000 $515,000 $360,000 $46,000 $39,000 $30,000 $897,000 $768,000 $545,000 73,192 63,200 45,187 Required: a. Perform a horizontal common-size analysis of the data given. [5 marks] b. Comment on the results. [3 marks, 1 mark each] 1. Sales/COGS 2. Assets/ Sales 3. Number of books sold/Sales