demo dataset or database

Hi

Can you recomend good demo database or dataset so it covers these scenarios where i could play and build my demo reports

Sales data

Purchase data

Warehouse data(items on stock)

Customer payments, Customer debts

Supplier payments, Supplier debts

Finance accountable

I have tested out contoso and adwenture works but these databases are more for sales operations. There i was not able to find any customer payments table where i could test analyze ammounts customers pay and what are their debts. Also there is no Purchase data where i  could test Suppliers and ammounts