How do you calculate CAC for a given period?

• A. CAC = total revenue generated ÷ number of new customers.
• B. CAC = total sales and marketing expenses for the period divided by revenue from new customers.
• C. CAC = total sales and marketing expenses for the period divided by number of new customers acquired in that period minus existing customers.
• D. CAC = total sales and marketing expenses for the period divided by the number of new customers acquired in that period.

Answer: (D)