Elaine wants to make$4 of revenue for every dollars he spends in a Display campaign.How should she set up the campaign?

Elaine should set a Target RO AS(Return on Ad Spend)of400%to achieve her goal of making$4 of revenue for every dollar spent in her Display campaign.Target R OASis a bidding strategy that focuses on maximizing the return on ad spend,and in this case,it means she wants to generate four times the ad spend in revenue.This strategy will help her optimize her campaign for her desired revenue goals.