The Test for "Reasonableness," for the Purpose of Principle 2

Multiple Choice

The test for "reasonableness," for the purpose of Principle 2 of the Canadian Standards Association Model Code which has been incorporated into the PIPEDA and relates to collection of information necessary for an expressly identified purpose,is

A) whether the loss of privacy is proportional to the benefit gained.
B) whether there is a way to achieve the same end which is less intrusive of privacy.
C) whether the measure taken is demonstrably necessary to meet that need.
D) whether the measure taken will likely be effective in meeting that need.
E) all of the above