Clients are increasingly asking advertisers for , agreements on campaign-specific outcomes and consensus on how the effectiveness of a specific ad or campaign be judged.

accountability metrics

Explanation:

Accountability metrics  are used by companies to measure the specific financial results of marketing campaigns. Marketing campaigns are expensive and require a lot of resources, both financial and labor resources, and as competition between producers increases, so does competition among marketing firms. The best way a marketing firm can increase its clients is by showing that their campaigns are effective, so every dollar invested by their clients will generate positive returns.

i believe it’s b because the rest don’t make sense

answer: e

explanation: