What is the customer acquisition cost

What is the customer acquisition cost (CAC) based on the data available from the first TV test (Exhibit 12)? (Hint: To calculate the number of new customers acquired, use the values (i) Additional customer acquisitions (i.e., 0.006 per 1000) and (ii) total number of impressions of the TV Ad.)  Ref: The case: Hubble Contact Lenses: Data-Driven Direct-to-Consumer Marketing exhibit 12 is attached.