A restaurant serves 2,118 customers for lunch in June, 2,202 customers for lunch in July, and 2,290 customers for lunch in August. What is the current trend, as expressed by monthly percentage increase, for this operation? How many customers might the restaurant expect for lunch in September? Over a four-week period, a cafeteria sees 384, 471, 402, and 399 customers respectively. Using a rolling average approach that considers guest counts from the past four weeks, how many customers should the cafeteria forecast for next week?