Using various attribution models in the Model Comparison Tool, a campaign managernotices something that makes her increase her investment in Google Display ads.What might she have seen?

● A certain channel received a small share of her investment and drove a
proportionally low conversion volume.
● A channel received none of her investment.
● A certain channel received a bulk of her investment and proportionally drove a high conversion volume.
● A certain channel received a bulk of her investment and disproportionally drove a low conversion volume.