On the Sales table the following SQL statement below is executed.

SELECT SalesPersonID, SalesRegion, SUM$($SalesVolume$)$ AS 'Total Sales' from Sales GROUP BY CUBE$($SalesPersonID$,$SalesRegion$)$

How many rows are there in the result of the query?

Question $5$ options:

$7$

$9$

$8$

$6\backslash$table$[[$SalesPersonID$,$SalesRegion,State,Month,SalesVolume$],[$S$0001,$West,Califomia,$01-$ January,$9400\mathrm{.}00],[$S$0001,$West,Oregon,$01-$ January,$12400\mathrm{.}00],[$S$0001,$East,New York,$01-$ January,$11900\mathrm{.}00],[$S$0001,$East,Maine,$01-$ January,$8950\mathrm{.}00],[$S$0001,$West,Califomia,$02-$ February,$15350\mathrm{.}00],[$S$0001,$West,Oregon,$02-$ February,$11750\mathrm{.}00],[$S$0001,$East,New York,$02-$ February,$13400\mathrm{.}00],[$S$0001,$East,Maine,$02-$ February,$15000\mathrm{.}00],[$S$0001,$West,Califomia,$03-$ March,$14200\mathrm{.}00],[$S$0001,$West,Oregon,$03-$ March,$12600\mathrm{.}00],[$S$0001,$East,New York,$03-$ March,$11720\mathrm{.}00],[$S$0002,$West,Califomia,$01-$ January,$13750\mathrm{.}00],[$S$0002,$West,Oregon,$01-$ January,$9820\mathrm{.}00],[$S$0002,$East,New York,$01-$ January,$12730\mathrm{.}00],[$S$0002,$West,Califomia,$02-$ February,$16200\mathrm{.}00],[$S$0002,$West,Oregon,$02-$ February,$15240\mathrm{.}00],[$S$0002,$East,New York,$02-$ February,$12900\mathrm{.}00],[$S$0002,$East,Maine,$02-$ February,$9870\mathrm{.}00],[$S$0002,$West,Califomia,$03-$ March,$13700\mathrm{.}00],[$S$0002,$West,Oregon,$03-$ March,$13450\mathrm{.}00],[$S$0002,$East,New York,$03-$ March,$14200\mathrm{.}00],[$S$0002,$East,Maine,$03-$ March,$10200\mathrm{.}00]]$