a duty of care is owed by an accountant in correctly preparing a customers tax returns, to minimize the chance of an irs audit. the next example would be a student completing homework assignments.
Id say that chocolate milk may have the most potassium of them all. Water does not have any nutritional content (though it is still important). Juice overall will vary, milk does have a high amount of potassium but the added chocolate syrup does add some more.