please anwser question 3

2. Complete vertical percentage analyses in the \% columns. Specifically, you will be expressing each line item as a percentage of the total sales for that year. For example, (2021 COGS / 2021 Sales) 100 and then (2021 OpEx/2021 Sales) 100, and so on. Units: millions 3. Take a look at the amounts and percentage of sales/revenue, expenses (COGS and OpEx), and how these relate to operating income. Which of these are going up versus down over time? What are some of the reasons they might be increasing or decreasing? Can you identify the reasons for these changes? Hint: Think about how your company is affected by internal and external factors, as well as its stakeholders