As a vendor in the Partner Center, it's crucial for me to keep track of my spending on products and compare it to my clients' spending. Unfortunately, the current tabs available at the top of the account overview - "Overview," "Invoices," and "Payments" - don't provide me with the information I need. That's why I suggest adding a "Cost" tab that would allow me to track my expenses better. This tab would provide me with a comprehensive breakdown of expenses, including the date of purchase, item description, quantity, unit price, and total cost. I could also filter expenses based on specific criteria, such as date range or product category, for a more detailed analysis. By adding a "Cost" tab to the Partner Center accounts, I would be better equipped to manage my finances and make informed decisions about my business. This simple yet effective solution would improve my user experience and help me stay on top of my spending. I now it's in admin but this bring it to the front.