Problem 11-24 (Algorithmic) A study of the multiple-server food-service operation at the Red Birds baseball park shows that the average time between the arrival of a customer at the food-service counter and his or her departure with a filled order is 24 minutes. During the game, customers arrive at the rate of four per minute. The food-service operation requires an average of 6 minutes per customer order. a. What is the service rate per server in terms of customers per minute? Round your answer to 2 decimal places. b. What is the average waiting time in the line prior to placing an order? If required, round your answer to the nearest whole number. Wa = minutes c. On average, how many customers are in the food-service system? If required, round your answer to the nearest whole number. L =