Assume you are starting an online subscription based business. Answer all three questions. a. What does an annual "churn" rate of 8% mean and why is it important to you? (1 point) b. What is a "customer acquisition cost" (CAC) and how might that number impact your profitability (be specific)? (1 point) c. Assume your CAC is $10 and the average price of your products is only $5. Under what circumstances would this be a financially viable scenario? (1 point)