CUSTOMER (Customer ID, Last Name, First Name, Email Address, Encrypted Password, Address, City, State, ZIP, Phone) EMPLOYEE (Employee ID, Last Name, First Name, Phone, Email) VENDOR (Vendor ID,...

CUSTOMER (Customer ID, Last Name, First Name, Email Address, Encrypted Password, Address, City, State, ZIP, Phone) EMPLOYEE (Employee ID, Last Name, First Name, Phone, Email) VENDOR (Vendor ID, Company Name, Contact Last Name, Contact First Name, Address, City, State, ZIP, Phone, Fax, Email) ITEM (Item ID, Item Description, Purchase Date, Item Cost, Item Price, Vendor ID) SALE (Sale ID, Customer ID, Employee ID, Sale Date, Sub Total, Tax, Total) SALE_ITEM (Sale ID, Sale Item ID, Item ID, Item Price)