Now that you have calculated the total budget in cell J$11,$ you can use Goal Seek to calculate how big of a discount is needed for WDRP to afford to advertise on all $19$ of the top $10$ shows for $9$ weeks of advertising.

NOTE: Take a screenshot of the goal seek pop$-$up window after you've entered your inputs $($but before running the goal seek$),$ and paste it into part $B.$

Run the goal seek and write the result $($the required discount$)$ infpart C$.$ Part B should have a screenshot of the Goal Seek Dialogue Box, filled out:

$\backslash$table$[[$Goal Seek,?,$x$