Which of the statements below best describes the result set returned by this SELECT statement?

SELECT COUNT$($DISTINCT invoice$\_$id$)$ AS 'count',

ROUND$($AVG$($line$\_$item$\_$amount$),2)$ AS average$\_$amount

FROM invoice$\_$line$\_$items

Group of answer choices

A row for each of the invoices in the invoice$\_$line$\_$items table with a count of the line items and the average amount of the line items for that invoice

A single row with a count of the rows in the invoice$\_$line$\_$items table and the average amount of all the line items

A single row with a count of the invoices in the invoice$\_$line$\_$items table and the average amount of all the line items

A row for each line item in the invoice$\_$line$\_$items table with a count of the invoices and the average amount for each line item