Discussion Requirements

Using vertical analysis (show your calculations), present the following values for this year and last year:

• gross profit margin
• net profit margin (use the last "net income" line on the statement)
• Comment on changes:
• Are sales increasingly profitable?
• How are gross profit and net income changing, as dollar values?
• Conduct a Vertical Analysis on any two items of the Balance Sheet and comment on your results.

the company is amazon. here is the sec 10 k

https://www.sec.gov/Archives/edgar/data/1018724/000101872419000004/amzn-20181231x10k.htm#sAC0FBE1D4F8A59A9BC0B4A81A52467C7