Code example $3-1$

SELECT vendorName, invoiceNumber, invoiceDate, invoiceTotal

FROM vendors INNER JOIN invoices

ON vendors.vendorID $=$ invoices.vendorID

WHERE invoiceTotal $>=500$

ORDER BY vendorName DESC

$($Refer to code example $3-1.)$ How many columns will the result set have?

Group of answer choices

$4$

$7$

$6$

$5$