CrаveRооts, а premium plаnt-based snack cоmpany, launched an integrated marketing campaign called “Snack Boldly,” highlighting its exotic ingredient sourcing and sustainability mission. The campaign included sponsored recipe videos on YouTube, Instagram carousel ads, and in-store sampling in Whole Foods and Sprouts locations. The marketing spend totaled $500,000. In the 4 months following the campaign, company profits increased from $2.2 million to $2.95 million. Given this data, what is the most appropriate way to evaluate the return on investment (ROI) for the CraveRoots’ marketing campaign?