Assume that any batch may use all the resources available in a given step, and demand rate is 55 units/hr and the batch size is 30 unitsdemand rate55unit/hr batch size30units stepnum of resourcesactivity time in secactivity time in minsetup mintotal timecapacity min11440,7377,730,13229031215,000,0733904,5004,500,2241580,9722,970,3451480,800,801,256260202,000,50a) calculate the overall capacity for the system in units/hourb) calculate the ROFT for an entire batch if we assume that the entire batch must move together from step to step? (remember, if resources are in parallel, all resources may be used)c) calculate the ROFT for just one unit in minutes

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Answered: a) calculate the overall capacity for…

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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Assume that any batch may use all the resources available in a given step, and demand rate is 55 units/hr and the batch size is 30 units

demand rate	55	unit/hr
batch size	30	units

step	num of resources	activity time in sec	activity time in min	setup min	total time	capacity min
1	1	44	0,73	7	7,73	0,13
2	2	90	3	12	15,00	0,07
3	3	90	4,50	0	4,50	0,22
4	1	58	0,97	2	2,97	0,34
5	1	48	0,8	0	0,80	1,25
6	2	60	2	0	2,00	0,50

a) calculate the overall capacity for the system in units/hour

b) calculate the ROFT for an entire batch if we assume that the entire batch must move together from step to step? (remember, if resources are in parallel, all resources may be used)

c) calculate the ROFT for just one unit in minutes

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