Process management - Little's Law Practice problems Q1a - A drive-through process a McDonalds has three activities. The first activity is ordering; on average this process takes 2 minutes. Then, a car proceeds to the payment window; on average this process takes 1 minute. The last activity is picking-up the order, which on average this process takes 2 minutes. There is a waiting before each of these activities. On average, there are usually 3 cars waiting to place their orders; 2 cars waiting to pay the total; and 1 car waiting to pick-up order. On average 20 cars an hour enters the line, and assume no cars leave this process until they pick- up their order. A-Clearly draw the process flow diagram for cars. Make sure you label each activity and buffer with appropriate Little's Law variables. B-On average, how long does the entire process flow take? C-On average, how many cars are there in the process? | Q1b - In addition to drive-through process, McDonalds has a walk-in process. This waking process, on average receives 50 orders per hour and on average 30 customers are inside the store. A-What is the average flow time of the walk-in process? B - What is the average flow time of the entire process including drive-through? Assume that each car and each customer places one order