A sales organization is implementing territory assignment rules to optimize their sales coverage. They have three sales representatives: Alice, Bob, and Charlie. The territories are defined based on geographic regions, and each representative has a specific quota to meet. Alice is assigned to the North region with a quota of $100,000, Bob to the South with a quota of $150,000, and Charlie to the East with a quota of $120,000. The organization decides to implement a rule that assigns territories based on the sales potential, which is calculated as the average sales from the last three years in each region. The North region had an average of $90,000, the South $160,000, and the East $130,000. Given this information, which representative should be reassigned to maximize sales potential based on the territory assignment rules?