Now that you're warmed up, here's a more challenging problem: below. Assume a 12% discount rate in your calculations. Part A (5 points): Calculate the CLV for each customer group at the current retention rate. Now that you're warmed up, here's a more challenging problem: below. Assume a 12% discount rate in your calculations. Part A (5 points): Calculate the CLV for each customer group at the current retention rate