Question 4 2 pts The Steal-a-Deal gift shop specializes in heavily discounted merchandise for the holiday season. The store prices are so appealing that lines of people queue up in the early AM hours in front of the store doors in order to secure a place in the line. On the morning after Christmas, one of the busiest days of the year, the store opened its doors at 8:00AM. At that time there were 120 customers already waiting in line. The customers leave the line at the rate of 4 per minute. From 8:00AM to 10:00AM, new customers arrive at the rate of 3 per minute. How many people are waiting in line at 9AM? Question 5 2 pts In the Steal-a-Deal gift shop, suppose that there are 160 customers waiting in line at noon, and Jacob arrives at the store at that time. How long should he expect to wait, in minutes? Question 6 2 pts Customers walk into a bank and are served at an average rate of 13 per hour. On average there are 5 people waiting in the queue to be served. How long does the average customer wait in queue, in minutes? Question 7 1 pts A temp work service maintains an "inventory" of 200 computer specialists who are assigned to various customers on a short term basis. The typical tour of duty lasts for 7 weeks, and the period between assignments typically lasts for 3 weeks. Assume 50 weeks per year. On average, how many specialists start on a new assignment each week? Question 8 1 pts A temp work service maintains an "inventory" of 400 computer specialists who are assigned to various customers on a short term basis. The typical tour of duty lasts for 6 weeks, and the period between assignments typically lasts for 4 weeks. Assume 50 weeks per year. -4- On average, how many specialists are idle (between assignments)? Question 9 2 pts ProofSmart Inc., a supplier of home insulation materials, was burned down in a recent fire. From the remains of what used to be the accounting ledger, the following information was recovered: Sales: 23 million dollars Inventory: 2.4 million dolars Gross Margin: 55% Since the gross margin is 55%, the cost of goods sold is 45% of sales. What is the inventory turn per year?