This is a test of commonsense with single/multi-choices. Complete the next sentence:

How to prepare a breakfast bar
Get a head count.
One common mistake is buying too much food. Fruits and breads don't stay fresh for very long.

Options are:
i. Nutrient-rich foods get crushed before they even arrive in your bar. If you have a large group of people you can easily overpower the crowd by opting for snacks..
ii. You can lose approximately 20% in less than a day. This means you'll have much more pancakes, muffins, toast and even banana bars than you had at breakfast..
iii. An accurate head count can help you avoid this pitfall. Buy enough food for everyone to enjoy about two helpings each..
iv. You should be able to tell how much fruit and vegetables are stored when you pick a recipe. At the very top of a serving is leftover product..
The answer is:
iii.