Accounting information systems homework please help solve!

Creating REA models: Mr. Video Customers can buy one or more videos and each video title can obviously be sold many times (to different customers or even the same customer). Each video sale is processed by a clerk (obviously a clerk can process many sales). The clerk verifies that the customer is a current Mr. Video member and gives them the video and an invoice. [You become a Mr. Video member at the time of your first purchase.1 Each month the balance on each account must be paid (based on the statement listing all invoices). No early payments are allowed. Creating REA models: Mr. Video Customers can buy one or more videos and each video title can obviously be sold many times (to different customers or even the same customer). Each video sale is processed by a clerk (obviously a clerk can process many sales). The clerk verifies that the customer is a current Mr. Video member and gives them the video and an invoice. [You become a Mr. Video member at the time of your first purchase.1 Each month the balance on each account must be paid (based on the statement listing all invoices). No early payments are allowed