Answer the following two independent sub-questions using Little's Law. (a) Last year, there were 3,400,000 visitors to a national park and, on average, each visitor spent 22 hours in the park. Last year, on average, how many visitors were in the park simultaneously? (Assume the national park opens 24/7.) (10 marks) (b) A campus deli serves 300 customers over its busy lunch period from 11:30 am to 1:30 pm. A quick count of the number of customers waiting in line and being served by the sandwich makers shows that an average of 10 customers are in process at any point in time. What is the average amount of time that a customer spends in process? (10 marks)