Industrial Engineering and Production Management
The break-even point represents

The time when company can make maximum profits
Time when industry will undergo loss
The most economical level of operation of any industry
The time when unit can run without any loss and profit

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Industrial Engineering and Production Management
In queuing theory, the nature of the waiting situation can be studied and analysed mathematically if

All variables and constants are known and form a linear equation
Complete details of items in, waiting line are known
The laws governing arrivals, service times, and the order in which the arriving units are taken into source are known
Arrival and waiting times are known and can be grouped to form a waiting line model

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