InvoiceLine

$\backslash$table$[[$Employee$],[$Employeeld$],[$LastName$],[$FirstName$],[$Title$],[$ReportsTo$],[$BirthDate$],[$HireDate$],[$Address$],[$City$],[$State$],[$Country$],[$PostalCode$],[$Phone$],[$Fax$],[$Email$]]$

Customer

$\backslash$table$[[$Customerld$],[$FirstName$],[$LastName$],[$Company$],[$Address$],[$City$],[$State$],[$Country$],[$PostalCode$],[$Phone$],[$Fax$],[$Email$],[$SupportRepld$]]$

$\backslash$table$[[$InvolceLineld$],[$Invoiceld$],[$Trackld$],[$UnitPrice$],[$Quantity$]]$

Invoice

$\backslash$table$[[$Invoiceld$],[$Customerld$],[$InvoiceDate$],[$BillingAddress$],[$BillingCity$],[$BillingState$],[$BillingCountry$],[$BillingPostalCode$],[$Total$]]$

Give the customer IDs, first names, and last names of any customers whose support representatives report directly to the CEO of the company except any customers for which the CEO is their support representative. $($In relational Algebra!!!$)$