The Purchases by Product/Service Summary report is unavailable. However, you can run the Purchases by Product/Service Detail report. This way, you can view where you bought your items and how much they cost.
Go to the Reports menu at the left pane.
Enter and look for the Purchases by Product/Service Detail report in the search bar.
You can modify this report by clicking the Customize button.
On the Customize report page, choose the Report period and Number format you want.
Hover to the Filter drop-down ▼. Add other info as needed.