Sam's Pet Hotel operates 52 weeks per​ year, 6 days per​ week, and uses a continuous review inventory system. It purchases kitty litter for ​$13.00 per bag. The following information is available about these​ bags:   ≻Demand=75 ​bags/week ≻Order cost=​$55.00​/order ≻Annual holding cost=25 percent of cost ≻Desired ​cycle-service level=80 percent ≻Lead time=4 weeks ​(24 working​ days) ≻Standard deviation of weekly demand=15 bags ≻Current ​on-hand inventory is 320 ​bags, with no open orders or backorders. Part 2 a. Suppose that the weekly demand forecast of 75 bags is incorrect and actual demand averages only 50 bags per week. How much higher will total costs​ be, owing to the distorted EOQ caused by this forecast​ error?   The costs will be ​$enter your response here higher owing to the error in EOQ. ​(Enter your response rounded to two decimal​ places.) a. What is the EOQ? What would the average time between orders (in weeks)? b. What should R be? c. An inventory withdraw of 10 bags was just made. Is it time to reorder? D. The store currently uses a lot size of 500 bags (i.e., Q=500). What is the annual holding cost of this policy? Annual ordering cost? Without calculating the EOQ, how can you conclude lot size is too large? e. What would be the annual cost saved by shifting from the 500-bag lot size to the EOQ?

Practical Management Science
6th Edition
ISBN:9781337406659
Author:WINSTON, Wayne L.
Publisher:WINSTON, Wayne L.
Chapter2: Introduction To Spreadsheet Modeling
Section: Chapter Questions
Problem 20P: Julie James is opening a lemonade stand. She believes the fixed cost per week of running the stand...
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​Sam's Pet Hotel operates
52
weeks per​ year,
6
days per​ week, and uses a continuous review inventory system. It purchases kitty litter for
​$13.00
per bag. The following information is available about these​ bags:
 
≻Demand=75
​bags/week
≻Order
cost=​$55.00​/order
≻Annual
holding
cost=25
percent of cost
≻Desired
​cycle-service
level=80
percent
≻Lead
time=4
weeks
​(24
working​ days)
≻Standard
deviation of weekly
demand=15
bags
≻Current
​on-hand inventory is
320
​bags, with no open orders or backorders.
Part 2
a. Suppose that the weekly demand forecast of
75
bags is incorrect and actual demand averages only
50
bags per week. How much higher will total costs​ be, owing to the distorted EOQ caused by this forecast​ error?
 
The costs will be
​$enter your response here
higher owing to the error in EOQ. ​(Enter your response rounded to two decimal​ places.)

a. What is the EOQ? What would the average time between orders (in weeks)?

b. What should R be?

c. An inventory withdraw of 10 bags was just made. Is it time to reorder?

D. The store currently uses a lot size of 500 bags (i.e., Q=500). What is the annual holding cost of this policy? Annual ordering cost? Without calculating the EOQ, how can you conclude lot size is too large?

e. What would be the annual cost saved by shifting from the 500-bag lot size to the EOQ?

 

 

Please show work so I can understand. Thank you!!!!

 
 
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