An apparel brand is working with you as a buyer for their new product line launch.

They would like to reach an audience of 350,000 moms in 3 different cities. They've requested for you to optimize the campaign to maximize your budget based on CPM.

Your campaign has been running for 2 weeks with the following characteristics:

You have one campaign with reach objective

The campaign is running on Facebook and Instagram

CPM costs have been above what you expected

Your campaign is running a frequency of 1.3

What change do you make in order to lower CPM costs?

Choose only ONE best answer.