Excel File of Data to check for matches and missing

have excel file with two Tabs, both is show Invoice number and Credit numbers from our Sales Software and Accounting software

Want to which Invoice or Credit notes are on both Sheet ( So out system is matching)

Then which lines are missing on each system so i know which invoces i need to add manualy

Both our softwares give an invoice number and link the two, here is the format they look like

INV-2989 ( Account Invoice Number INV/2020/4175 Sales System Invoice Number