Identify which campaign had the highest ROI and include its ROI percent. $0$ of $1$

The Paid Social $/$ Facebook $/$ Duffel Bag campaign had the highest return on investment at $394\%.$

The Paid Search $/$ Bing $/$ Yellow Backpack campaign had the highest return on investment at $422\%.$

The Paid Search $/$ Google $/$ Travel Bag campaign had the highest return on investment at $315\%.$

The Paid Social $/$ Instagram $/$ Duffel Bag campaign had the highest return on investment at $394\%.$