6. Write a SQL statement to show the first and last names of employees who have sold items obtained from the vendor Linens and Things. 7. Write a SQL statement to show the average sale totals for sales by city (specifically, customer cities). In other words, the results should show one line per city, and for each city it should also list the average sale total for that city. 8. Write a SQL statement to show the minimum, average, and maximum total for sales made in February 2022. 9. Write a SQL statement to list the item descriptions of items that were purchased from vendors in Seattle and sold to customers in Seattle. 10. Write a SQL statement to list the item IDs and item descriptions of items that have never been sold. \begin{tabular}{|l|} \hline VENDOR \\ Vensods \\ Cempantame \\ Conactiartiant \\ Contactinthane \\ Assins \\ CTy \\ State \\ ap \\ Peont \\ Fax \\ Emal \\ \hline \end{tabular} EMPLOYEE 7 Empiownd Lartsame Frntsiame Phern Enal CUSTOMER 5 Cuatemuld tamkare Firstiame Addreul Ch Stant Drone tmail