The network diagram below shows the five tasks required to complete a project and the associated times for those tasks. 
Which of the following identifies the critical path tasks?
Definitions:
Normal Good
An item for which demand increases as the income of consumers increases, showing a direct relationship between income and demand.
Income Elasticity
A measure of how much the demand for a good changes as the income of consumers changes.
Normal Good
A good for which demand increases as the income of consumers increases, showing a positive correlation between income and demand.
Pizza
A popular dish of Italian origin consisting of a round, flattened base of leavened wheat-based dough topped with tomatoes, cheese, and often various other ingredients.
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