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Question 1 5 pts This problem is based on Periodic Order Quantity or P-model. A company orders a certain product once every week (once in 7 days). Demand for the product averages 20 units per day with a standard deviation of 5 units. Lead time for the product to arrive is 2 days. Management has a goal of 97.5% probability of not stocking out this product (use z=1.96). Assuming that we have no inventory on hand, how many products should be ordered? (round-up your answer). O 10 O 30 O 210 O None of the above Question 2 5 pts This problem is based on Periodic Order Quantity or P-model. A company orders a certain product once every week (once in 7 days). Demand for the product averages 20 units per day with a standard deviation of 5 units. Lead time for the product to arrive is 2 days. Management has a goal of 97.5% probability of not stocking out this product (use z=1.96) How much of it is safety stock? (round-up your answer). 0 20 O 30 O 210 O None of the above D Question 3 5 pts This problem is based on Periodic Order Quantity or P-model. A company orders a certain product once every week (once in 7 days). Demand for the product averages 20 units per day with a standard deviation of 5 units. Lead time for the product to arrive is 2 days. Management has a goal of 97.5% probability of not stocking out this product (use z=1.96). If on a particular day of placing the order, suppose the company has 180 products on stock. What should be the order size? (round-up your answer). O 10 O 30 O 210 O None of the above Question 4 5 pts A small manufacturing company deals in a product that costs $300 a piece, and has an estimated weekly demand of 80 units. Company estimates the cost to place an order is $60, and the annual holding cost for each product is 20% of the cost of the product. The company operates 52 weeks a year. Find the EOQ for the product (round-up your answer). O 83 O 92 O 107 O None of the above