¿Cuál de los siguientes ACOS indica la campaña publicitaria más eficiente?

ACOS (Advertising Cost of Sales) measures the efficiency of your ad campaigns by showing the ratio of ad spend to ad-generated revenue. A lower ACOS indicates greater efficiency because you are spending less to generate more sales. Therefore, 12% ACOS is the most efficient among the given options, meaning that for every $100 in sales, you spent only $12 on advertising. In contrast, 35%, 50%, and 95% ACOS figures represent higher advertising costs relative to the revenue generated, indicating less efficient campaigns.