Industrial Engineering and Production Management
At the break-even point,

Total cost is more than the sales revenue
Total cost is equal to sales revenue
Fixed cost is equal to variable cost
Total cost is less than the sales revenue

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Industrial Engineering and Production Management
Pessimistic time is

The maximum time which an activity might require
The minimum time in which an activity can possibly be accomplished
The most probable time considering all conditions
The average time required for a job

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Industrial Engineering and Production Management
The assumption in PERT is

Cost of project will always be more than the estimated cost, if no timely corrections are taken
A project can be subdivided into a set of predictable, independent activities
A project will always be behind schedule, if left uncorrected
Activities are fixed and can't be changed

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