Pick up the correct statement from the following:

[A].	Duty of canal water is defined as the total area irrigated by the discharge averaging one unit during the base period of the duty
[B].	Duty of canal water is usually calculated at the head discharge of a channel
[C].	Duty of canal water at the head of a channel and at the outlet of a distributary, differ considerably due to progressive losses of water
[D].	Duty of canal water at the outlet of a distributary, is generally known as outlet factor or outlet discharge factor
[E].	All the above.

Answer: Option E

Explanation:

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