Please solve those questions as soon as possible without explanation. Thanks a lot

1. Which of the following methods is a mathematical technique used for finding the best location for a single distribution center that services several stores or areas?

1. Transportation Model
2. Factor Rating Method
3. Center of Gravity method
4. Locational Break-Even analysis

2. The term vertical integration means to

1. develop the ability to produce products that complement or supplement the original product
2. sell all products to every member of your customer chain simultaneously
3. develop the ability to produce the specified good more efficiently
4. produce goods or services previously purchased

3. One use of inventory is

1. to ensure that item cost is maximized
2. to provide a hedge against inflation
3. to tightly link production and distribution processes
4. to tightly link a firm's production with its customers' demand

4. The expected demand for six months of XYZ Company is 7740 units and total number of production days in these six months are 129 days. What will be the production rate required to meet average demand over the six months?

4. 1. 60 units per day
   2. 50 units per day
   3. 30 units per day
   4. 70 units per day
5. Today is a day 26 on XYZ companys production schedule. The job A is indicated as due date 28 and remaining working days are 2. Compute the critical ratio of the job A.

1. 2
2. 1
3. 0.5
4. 1.5