After running a Google Search Ads campaign for several months, Meredith notices sales of her advertised products are starting to lag. She checks her Google Ads Recommendations page and notices that her campaign's optimization score is $22\%.$

What does this score tell Meredith about her Google Search Ads campaign?

The campaign's budget needs to be raised by $22\%$ to be fully optimized.

Her campaign is being outperformed by $78\%$ of businesses like hers.

$22\%$ of the revenue she allocates to her campaign is being used in the wrong areas.

The campaign could be improved by $78\%$ if the listed recommendations are followed.