Hello there, Mark75.
Thanks for coming in with us today. Let's get this sorted out.
You can run the Profit and Loss report to know what makes up your Retained Earnings and view details for the Net Income amount. Make sure you use the specified date range.
Another option to see your Retained Earnings is to open your Chart of Accounts on your List menu and click on Retained Earnings to see all the closing entries.
I'll leave you with this guide to learn more about QuickBooks Desktop: QuickBooks Desktop for Mac Guidelines.
Should there'll be anything else you need help with, just let me know as I'm always here to answer them for you.