Tasks B and D start after Task A is completed. Task C starts after Tasks B and D are completed. task E starts after Task D is completed. Task H starts after task B is completed. Task G starts after Tasks C and H are completed. Task F starts after Task E is completed. Following are the durations of all tasks: 
Which of the following tasks are on the critical path?
Definitions:
Price Elasticity
A measure of the responsiveness of quantity demanded or supplied of a good to a change in its price.
Quantity Demanded
The quantity of a good that consumers are willing and able to purchase at a given price over a specified period of time.
CD Players
Devices used for playing audio CDs that were a popular technology for music playback before being gradually replaced by digital music players.
Elasticity
The measure of how much the quantity demanded or supplied of a good responds to a change in one of its determinants, such as price or income.
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