$2.$ Using Walgreens financials, calculate a horizontal analysis $($$ and $\%)$ on the income statement including gross profit $($you will have to calculate$).$ I recommend using EXCEL spreadsheet to answer this question.

$2$a$.$ Using Walgreens financials, then do the vertical analysis for the balance sheet for $2018$ and $2017).$ I recommend using EXCEL spreadsheet to do this question.

$2$b$.$ What do you notice about the change from year to year on income statements and the change in the balances compared to the prior year? Be as specific as possible.