Create an ERD based on the Crow's Foot model, using the following requirements An INVOICE is written by a SALESREP. Each sales representative can write many invoices, but each invoice is written by a single sales representative. The INVOICE is written for a single CUSTOMER. However, each customer can have many invoices. An INVOICE can include many detail lines (LINE), each of which describes one product bought by the customer. . The product information is stored in a PRODUCT entity. . The product's vendor information is found in a VENDOR entity