Please calculate the customer acquisition cost

Brand X will launch a new product after holidays to ensure that they can maximize their impact, Mainly, this product is pricing in the market is 6$. When it comes to the consumption in the market, it is 3 units with potential customers of 1,000,000. These customers are regularly people that consume this product once in a time and the estimation out of the total is 60%. Finally, the competitors will erode the brand in 10 years.