Background Cy Bicycles sells bicycles and supplies throughout the Midwest. They specialize in cardinal and can be used to quickly navigate campus. Cy Bicycles uses the revenue database shown below. U information to answer questions 33 to 37. Table Attributes Inventory Product Weight, ReorderPoint, ProductNumber, Description, UnitCost, UnitPrice, QuantityOnHand Cash BankID, Balance, AccountNumber SaleOrder OrderAmount, EmployeeNumber, Terms, SalesOrderNumber, OrderDate, CustomerNumber ShipGoods EmployeeNumber, CustomerNumber, ShipmentNumber, SalesOrderNumber, ShipDate, ShipTotal CashReceipt CustomerNumber, EmployeeNumber, AccountNumber, ReceiptNumber, ReceiptDate, ReceiptAmount Employee EmployeeName, DateHired, BirthDate, EmployeeNumber, Salary, ManagerNumber, EmployeeCity Customer CustomerName, CustomerStreet, CustomerCity, CustomerState, CustomerZip, CustomerNumber, CustomerPhone Inventory-SalesOrder OrderQuantity, ProductNumber, SalesOrderNumber Inventory-ShipGoods QuantityShipped, ProductNumber, ShipmentNumber ShipGoods-CashReceipt TotalShipped, CheckNumber, ReceiptNumber 33. Identify the best primary key(s) for each table. (6 points) Inventory ShipGoods-CashReceipt Cash SalesOrder Inventory-SalesOrder ShipGoods Identify the foreign keys (if any) in the following tables: (4 points)