Question 3(2+2+2+2=8 points) Use Little's formula to answer the following two questions. Little's formula: WIP = Flow rate Flow time. a) 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? b) Madesimo is a famous resort in Italy. All of its rooms are always booked in the winter season and there are, on average, 120 skiers coming to the resort every day. On average, skiers stay in Madesime for 10 days. What is on average the number of skiers staying in Madesimo? c) CodeDesk Inc matches programmers with freelance jobs. They have 30 employees who staff their online chat room. They receive on average 240 chat requests per hour and the average chat session takes 5 minutes to complete (i.e. from start to finish). On average how many chat sessions are active (i.e., started but not completed)? d) Home Depot's inventory turns are 4.7 turns per year, its cost of goods sold is $44.7 Billion per year. What is the average inventory it holds in \$ Billion