Question 3 (2+2+2+2 = 8 points) Use Little's formula to answer the following two questions. Little's formula: WIP = Flow rate x 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 Madesimo for 10 days. What is on average the number of skiers staying in Madesimo? c) Walmart sells jeans for $40 a pair that it purchases for $20 a pair. Its annual holding cost percentage is 20% and these jeans turn 10 times per year. What holding cost does it incur for each pair of jeans? 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