Explain what is meant by the expression " robust model."Specifically, what would you tell a manager who exclaimed,"Uh-oh, we're in trouble! The calculated EOQ is wrong; . jactual demand is 10% greater than estimated."
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Explain what is meant by the expression " robust model." Specifically, what would you tell a manager who exclaimed, "Uh-oh, we're in trouble! The calculated EOQ is wrong; . j actual demand is 10% greater than estimated." |
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- Lead time for one of your fastest-moving products is21 days. Demand during this period averages 100 units per day.a) What would be an appropriate reorder point?b) How does your answer change if demand during lead timedoubles?c) How does your answer change if demand during lead timedrops in half?If January’s ending inventory is negative 300 or -300, with the cost information shown below, select the correct value for January’s inventory shortage cost. 300 450 -300 150 1,500I run a clinic. I vaccinated 100 people yesterday. The maximum number of people I could ever do is 200 people per day. I can do 150 per day sustainably. What is my design utilzation? Answer in the nearest percentage (e.g. 33.4% -> 33%) I have known and stable demand. I expect to sell 500 units next year. I get charged $10 every time I order, and it costs me $1 per unit per year to hold an item. What my optimal ordering quantity? I have known and stable demand. I expect to sell 500 units next year. I get charged $10 every time I order, and it costs me $1 per unit per year to hold an item. What is my inventory cost (setup cost + holding cost) for next year if I order the optimal quantity? I have a process as follows. What is the maximum output rate, in units per hour? Task Predecessor Time (sec) A none 100 B A 50 C A 200 D B, C 100 E D 50 If my desired output rate is 36 units per hour, what is the theoretical number of stations I'll need? Task Predecessor Time…
- Average daily demand (d) 130 cases Demand Standard deviation (σd) 20 cases Service level 94.0% Service level alternative 86.0% Lead tme, LT 6 days 1. What is the standard deviation of demand during lead time? Round your answer to one decimal place. _______ cases 2. What is the required safety stock at a 94 percent service level? Round your answer to the nearest whole number. _______ cases 3. What is the reorder point? Round your answer to the nearest whole number. _______ cases 4.What is the required safety stock at a 86 percent service level? Round your answer to the nearest whole number. _______ cases 5. What is the safety stock reduction? Round your answer to the nearest whole number. _______ casesJoe Henry's machine shop uses 2,530 brackets during the course of a year. These brackets are purchased from a supplier 90 miles away. The following information is known about the brackets: Annual demand 2,530 Holding cost per bracket per year $1.65 Order cost per order $18.25 Lead time 2 days Working days per year 250 Part 2 a) What is the EOQ? enter your response here units (round your response to two decimal places). Part 3 b) What is the average inventory if the EOQ is used? enter your response here units (round your response to two decimal places). What would be the annual inventory holding cost? $enter your response here (round your response to two decimal places). Part 4 c) Given the EOQ, how many orders will be made annually? enter your response here orders (round your response to two decimal places). What would be the annual order cost? $enter your response here (round…Joe Henry's machine shop uses 2,450 brackets during the course of a year. These brackets are purchased from a supplier 90 miles away. The following information is known about the brackets: Annual demand 2,450 Holding cost per bracket per year $1.65 Order cost per order $18.50 Lead time 2 days Working days per year 250 a) What is the EOQ? __units (round your response to two decimal places). b) What is the average inventory if the EOQ is used?__ units (round your response to two decimal places). What would be the annual inventory holding cost? $__ (round your response to two decimal places). c) Given the EOQ, how many orders will be made annually?__orders (round your response to two decimal places). What would be the annual order cost? $__ (round your response to two decimal places). d) Given the EOQ, what is the total annual cost of managing (ordering and holding) the inventory? __ $ (round your response to two decimal places). d)…
- XYZ Pharmaceuticals sells COVID testing kits. Calculate the Economic Order Quantity, or EOQ, if annual demand is 20,000 testing kits, inventory storage costs average 20 percent, the unit price per kit is $50, and ordering costs are $25.Grey Wolf Lodge is a popular 500-room hotel in the North Woods. Managers need to keep close tabson all room service items, including a special pine-scented bar soap. The daily demand for the soap is275 bars, with a standard deviation of 30 bars. Ordering cost is $10 and the inventory holding cost is$0.30/bar/year. The lead time from the supplier is 5 days, with a standard deviation of 1 day. The lodgeis open 365 days a year.a. What is the economic order quantity for the bar of soap?b. What should the reorder point be for the bar of soap if management wants to have a 99 percentcycle-service level?c. What is the total annual cost for the bar of soap, assuming a Q system will be used?Grey Wolf Lodge is a popular 500-room hotel in the North Woods. Managers need to keep close tabs on all room service items, including a special pine-scented bar soap. The daily demand for the soap is 275 bars, with a standard deviation of 30 bars. Ordering cost is $10 and the inventory holding cost is $0.30/bar/year. The lead time from the supplier is 5 days, with a standard deviation of 1 day. The lodge is open 365 days a year. a. What is the economic order quantity for the bar of soap? b. What should the reorder point be for the bar of soap if management wants to have a 99 percent cycle-service level? c. What is the total annual cost for the bar of soap, assuming a Q system will be used?
- Discount-Mart (see Problem 16.8), as part of its newLean program, has signed a long-term contract with SpecialtyLighting and will place orders electronically for its halogen lamps.Ordering costs will drop to $.50 per order, but Discount-Mart alsoreassessed its carrying costs and raised them to $20 per lamp.a) What is the new economic order quantity?b) How many orders will now be placed?c) What is the total annual cost of managing the inventory withthis policy?Consider a periodic review system, where orders are placed every 20 days. The firm strives to provide a 94.41% cycle service level. Demand averages 415 units per day, and the standard deviation of demand per day is 105 units. Lead time is 12 days (round Z-values, standard deviations to two decimal places). Question content area bottom Part 1 a. How many units of safety stock should be held? enter your response here units (round your response to the nearest integer). b. What should the target inventory level (order-up-to level) be? enter your response here units (round your response to the nearest integer). c. Suppose that it is time to review the item. There are 152 units in inventory, and there is an outstanding backorder for 455 units. An order for 129 units is on the way. How many units should be ordered now? enter your response here units (round your response to the nearest integer).2 Inventory cannot protect against price increases.Select one:a. False.b. True.