
Concept explainers
a)
To determine: The process capacity of dolls per hour with a batch size of 500 dolls.
a)

Explanation of Solution
Given information:
Capacity of Molding:
Capacity of painting:
Capacity of dressing:
The capacity of dressing is the lowest of all. Hence, it will be the capacity of the process.
The capacity of the process is 200 units per hour.
b)
To determine: The utilization of depositing for 800 dolls.
b)

Explanation of Solution
Given information:
Capacity of Molding:
Capacity of painting:
Capacity of dressing:
Calculation of utilization of molding:
The flow rate is the minimum demand and process capacity. The capacity of the process is 200 units per hour. The demand is 4,000 dolls in 40 work hours which gives 100 dolls per hour. Therefore, the number of dolls per minute will be:
The flow rate is 1.67 dolls per minute.
Calculation of utilization:
The utilization of molding is 41.75%.
c)
To determine: The determine the batch size that would minimize the inventory without decreasing the flow rate.
c)

Explanation of Solution
Given information:
Calculation of batch size for molding:
Calculation of batch size for painting:
The batch size is 300 units.
d)
To determine: The determine the batch size that would minimize the inventory without decreasing the flow rate.
d)

Explanation of Solution
Given information:
Calculation of batch size for molding:
Calculation of batch size for painting:
The batch size is 67 units.
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Chapter 7 Solutions
Operations Management
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