Filemaker Pro: Invoice, payment, balance, product, customer management functions

Dumping Access moving to FileMaker Pro. 1) Should be able to add, modify, delete products; 2) Should be able to add, modify, delete customer details; 3) Should be able to create invoice using drop down of customer table to populate customer detail on invoice (I have the initial list); 4) Should be able to add product using drop down of product table to populate product information I have initial list); on invoice should be able to add, delete, or modify product on invoice. An invoice should be able to accept multiple payments and create a balance to be shown on invoice. If payments have been made should be listed on invoice when printed. Must be compatible with FMP 18 and FMP 19. History information: Current functionality is in an Access modified Northwind database template.