I’m not sure if this will give you more of what you’re looking for in terms of a breakdown, but instead of going to website analytics, switch to commerce and scroll down until you see accounting. It’s going to be under selling tools. When you click accounting, it’s going to give you an option to download a report and you can choose the timeframe that you want to see (i.e., last 7 days, month, year to date). The report will be broken down in different tabs of the workbook. Pretty sure there’s a tab for discounts, refunds, sales tax, net sales, shipping fees, etc.